Upload a Text File With All the Drops and Create Tables for Vince1

You can bring data from a text file into Admission in ii ways. If you lot want a copy of the data that you can edit inside Access, import the file into a new or existing tabular array by using the Import Text Wizard. If you simply want to view the latest source data within Access for richer querying and reporting, create a link to the text file in your database past using the Link Text Magician.

This article explains how to import and link to a text file past using these wizards.

In this article

• Most text files and supported formats

• Import data from a text file

• What else should I know most importing?

• Troubleshoot missing or incorrect values in an imported table

• Link to a text file

• Troubleshoot #Num! and incorrect values in a linked table

About text files and supported formats

A text file contains unformatted readable characters, such equally letters and numbers, and special characters such as tabs, line feeds and carriage returns. Access supports the following file proper name extensions — .txt, .csv, .asc, and .tab.

To use a text file as a source file for importing or linking, the contents of the file must exist organized in such a manner that the importing and linking wizards can divide the contents into a set of records (rows) and each record into a collection of fields (columns). Text files that are organized properly fall into one of two types:

• Delimited files    In a delimited file, each record appears on a split line and the fields are separated by a single character, called the delimiter. The delimiter can exist any character that does non appear in the field values, such as a tab, semicolon, comma, space, and then on. The following is an example of comma-delimited text.

  1,Company A,Anna,Bedecs,Owner 2,Company C,Thomas,Axen,Purchasing Rep three,Visitor D,Christina,Lee,Purchasing Mgr. four,Company E,Martin,O'Donnell,Possessor v,Company F,Francisco,Pérez-Olaeta,Purchasing Mgr. 6,Visitor Yard,Ming-Yang,Xie,Possessor 7,Company H,Elizabeth,Andersen,Purchasing Rep eight,Company I,Sven,Mortensen,Purchasing Mgr. 9,Company J,Roland,Wacker,Purchasing Mgr. ten,Visitor K,Peter,Krschne,Purchasing Mgr. eleven,Company L,John,Edwards,Purchasing Mgr. 12,Company M,Andre,Ludo,Purchasing Rep xiii,Company N,Carlos,Grilo,Purchasing Rep                

• Fixed-width files     In a fixed-width file, each tape appears on a separate line and the width of each field remains consistent across records. For example, the starting time field of every record is always vii characters long, the 2nd field of every record is always 12 characters long, and so on. If the actual length of a field'southward value varies from record to record, the values that fall short of the required width must exist padded with trailing space characters. The following is an example of fixed-width text.

  one   Company A   Anna       Bedecs         Owner             2   Company C   Thomas     Axen           Purchasing Rep    three   Company D   Christina  Lee            Purchasing Mgr.   4   Company E   Martin     O'Donnell      Owner             five   Company F   Francisco  Pérez-Olaeta   Purchasing Mgr.   6   Company M   Ming-Yang  Xie            Owner             7   Company H   Elizabeth  Andersen       Purchasing Rep    viii   Company I   Sven       Mortensen      Purchasing Mgr.   9   Company J   Roland     Wacker         Purchasing Mgr.   10  Company Yard   Peter      Krschne        Purchasing Mgr.   11  Company L   John       Edwards        Purchasing Mgr.   12  Company 1000   Andre      Ludo         Purchasing Rep    xiii  Company North   Carlos     Grilo          Purchasing Rep                

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Import data from a text file

If your goal is to store some or all information that is in a text file in an Access database, you lot should import the contents of the file into a new table or append the data to an existing tabular array. You lot can view and edit the imported data, and the changes you brand to the data do not affect the source text file.

During the import performance, yous tin specify how the source file is organized, and whether you want to create a new table or append the data to an existing table.

At the end of the import operation, you can cull to save the details of the import operation as a specification. An import specification helps you lot repeat the operation at a afterwards fourth dimension without yous having to stride through the Import Text Wizard each time.

Common scenarios for importing a text file into Admission

Typically, you import text data into Admission for these reasons:

• Some of your data is in a format not recognized by Access and you desire to use that data in one of your databases. Yous can first export the source data as a text file and then import the contents of the text file into an Admission table.

• Yous use Access to manage your data, but you regularly receive data in text format from users of a different program. You import the information at regular intervals, and yous want to streamline the import process to salvage time and effort.

Note:When you open a text file in Admission (by irresolute the Files of Type listing box to All Files in the Open dialog box and then selecting your text file), Access starts the Link Text Wizard, which allows y'all to create a link to the text file instead of importing its contents. Linking to a file is different from importing its contents. For more than data about linking to text files, meet the section Link to a text file, subsequently in this article.

Prepare the source file

1. Open the source text file in a text editor, such as Notepad.

   Annotation:You tin can import only one text file during an import operation. To import multiple files, repeat the import operation for each file.

2. Review the contents of the source text file and have action as described in this tabular array.

   Element	Clarification
   Delimited or fixed-width	Brand sure the file consistently follows one of the formats. If the file is delimited, identify the delimiter. If the file has fixed-width fields, brand sure each field is the same width in every record.
   Text qualifiers	Some delimited files might contain field values that are enclosed in single or double quotation marks, equally shown hither: "Pernille Halberg",25,4/5/2017,"New York" "Daniel Brunner",27,2018,"Chicago" The character that encloses a field value is called a text qualifier. Text qualifiers are not required, just they are essential if either of the post-obit is truthful: The field delimiter appears as role of the field values. For example, if comma is used as the field delimiter, and New York, Chicago is a valid field value, you lot must enclose the value within a pair of qualifiers, like this: "New York, Chicago" You want Access to treat non-text values, such every bit 0452934 and 0034539 equally text values and store them in a Text field. During the import operation, you can specify whether the file uses a qualifier and, if then, specify the character that acts every bit the qualifier. Make sure that the aforementioned text qualifier is used throughout the file and that merely text values are enclosed within a pair of qualifiers.
   Number of fields	The number of source fields must not exceed 255 — Admission cannot support more than than 255 fields in a table.
   Skipping records and values	If you are interested in only a portion of the text file, edit the source file before yous start the import operation. Yous cannot skip records during the import operation. If you are adding the data to a new table, you can skip certain fields, but this selection is not available if you lot are appending the contents to an existing table. When you append data to an existing table, the structure of the source data must match the construction of the destination table. In other words, the source information must take the same number of columns every bit the destination table, and the information types of the source data must match the information types of the destination table.
   Blank lines and fields	Delete all unnecessary blank lines in the file. If there are blank fields, endeavor to add together the missing information. If you are planning to append the records to an existing table, make certain the corresponding field in the table accepts aught values. A field will accept null values if its Required field property is set to No and its ValidationRule property setting doesn't preclude null values.
   Extraneous characters	Review and remove extra characters, such every bit tabs, line feed, and carriage returns.
   Data types	To avert errors during importing, brand sure each source field contains the same type of data in every line. Access scans the first 25 rows of a file to determine the data type of the fields in the table. We highly recommend that you brand certain that the first 25 source rows do non mix values of different data types in any of the fields. Too make certain that not-text values that are to be treated as text values are enclosed in single or double quotation marks. If the source file contains mixed values in the rows following the 25th row, the import performance might still skip them or catechumen them incorrectly. For troubleshooting data, see the section Troubleshoot missing or incorrect values in an imported table, later on in this article.
   Field names	For delimited text files, if the file does not include the names of the fields, it is skillful do to place them in the get-go row. During the import performance, you can specify that Access treat the values in the first row as field names. When you lot import fixed-width text files, Admission does non give you the option of using the values in the first row as the field name. Annotation:When you append a delimited text file to an existing table, ensure that the name of each cavalcade exactly matches the name of the respective field. If the name of a cavalcade is different from the name of the corresponding field in the tabular array, the import operation fails. To discover the names of the fields, open the destination table in Design view.

3. Close the source file, if it is open. Keeping the source file open might result in data conversion errors during the import operation.

Offset the import process in Access

1. Open up the Access database in which the imported data volition be stored. If y'all don't want to store the data in any of your existing databases, create a blank database.

2. Before yous start the import functioning, make up one's mind whether y'all want to store the data in a new or existing table.

   • Create new table    If you choose to shop the data in a new table, Admission creates a table and adds the imported information to information technology. If a table with the specified name already exists, Admission overwrites the contents of the table with the imported data.

   • Append to an existing table    If you are adding the data to an existing tabular array, the import process appends the information to the specified table.

     As you continue, recollect that most suspend operations fail because the source data does not friction match the construction and field settings of the destination tabular array. To avoid this, open the table in Blueprint view, and review the following:

     • First row    If the commencement row of the source text file does non contain field names, make sure the position and data type of each column matches those of the corresponding field in the table. For delimited text files, if the first row contains cavalcade headings, the order of columns and fields need not match, merely the name and information type of each column must exactly match those of its corresponding field. When you import fixed-width text files, Admission does not requite y'all the selection of using the values in the first row as the field proper noun.

     • Missing or extra fields    If ane or more fields are non in the destination table, add them before y'all start the import operation. Nevertheless, if the destination table contains fields that don't exist in the source file, you demand not delete them from the table equally long as they have nada values.

       Tip:A field volition have zip values if its Required field property is set to No and its ValidationRule belongings setting doesn't foreclose aught values.

     • Principal central    If the table contains a primary fundamental field, the source file must comprise a cavalcade that contains values that are compatible with the primary key field. In addition, the imported cardinal values must be unique. If an imported record contains a principal key value that already exists in the destination table, the import functioning displays an error message. You must edit the source information and then that it contains unique key values and and then start the import performance again.

     • Indexed fields    If the Indexed property of a field in the tabular array is set to Yes (No Duplicates), the corresponding column in the source text file must contain unique values.

3. The location of the import/link text wizard differs slightly depending upon your version of Access. Choose the steps that match your Access version:

   • If yous're using the latest version of the Microsoft 365 subscription version of Access or Access 2019, on the External Data tab, in the Import & Link grouping, click New Data Source > From File > Text File.

   • If y'all're using Access 2016, Access 2013, or Access 2010, on the External Data tab, in the Import & Link group, click Text File.

4. Access opens the Get External Information – Text File dialog box.

   

5. In the Get External Data - Text File dialog box, in the File name box, type the proper name of the source file.

6. Specify how you want to store the imported data.

   • To store the data in a new table, select Import the source information into a new table in the current database. You volition be prompted to name this table afterwards.

   • To append the data to an existing table, select Append a copy of the records to the table and then select a table from the drop-down list.

     Notation:To link to the data source by creating a linked table, meet the section Link to a text file, later in this article.

7. Click OK.

   Access scans the contents of the file and recommends how the file should be organized. If the file uses a delimiter to carve up the fields, ensure that the Delimited option is selected. If the file has fixed-width fields, ensure that the Fixed Width option is selected. If you are unclear about whether your file has fixed-width or delimited fields, encounter the previous section, Prepare the source file.

   Note:If the source text file contains tabs or other special characters, these are represented in the Import Text Sorcerer as small boxes between the columns of data.

8. Click Side by side.

   The data that the wizard displays depends on whether you select the Delimited option or the Fixed-Width selection.

   Delimited

   Select or specify the graphic symbol that delimits the field values - Tab, Semicolon, Comma, Space, or Other. If the file users a text qualifier, in the Text Qualifier box, select either the double quotation mark (") or the single quotation marking ('). If the starting time row of the source file contains field names, select the First Row contains Field Names check box. And so, click Next.

   Stock-still-width

   The sorcerer displays the contents of the file. If Admission detects a columnar structure in the information, it places vertical lines in the data to separate the fields. Review the structure suggested by the magician and, if necessary, follow the instructions on the wizard page to add together, remove, or accommodate the lines. Then, click Next.

9. If you lot chose to append the information, skip to step 13. If yous are importing the data to a new table, click Side by side. At this point, you lot should review the field backdrop displayed in the wizard.

   Annotation:The wizard folio on which you can specify data most fields you lot are importing is non displayed if y'all are appending records to an existing table.

10. Click a column in the lower half of the wizard page to display the respective field's properties. Review and modify, if you desire, the proper noun and data blazon of the destination field.

    Admission reviews the first 25 rows in each column to suggest the default data blazon for the corresponding field. If there are different types of values, such equally text and numeric values, in the first 25 rows of a column, the wizard suggests a information type that is compatible with all or most of the values in the cavalcade — that is often the Text data type. Although yous can choose a dissimilar data type, call back that values that are non compatible with the data type yous choose are either ignored or converted incorrectly. For more information about how to correct missing or incorrect values, encounter the section Troubleshoot missing or incorrect values in an imported tabular array, later in this article.

11. To create an index on the field, ready Indexed to Yes. To altogether skip a source column, select the Do not import field (Skip) cheque box. And then click Next.

12. If the records are being added to a new tabular array, the wizard prompts you to specify a chief fundamental for the tabular array. If you lot select Let Access add together primary primal, Access adds an AutoNumber field as the first field in the destination tabular array, and automatically populates it with unique IDs, starting with 1. Click Adjacent.

    Note:The wizard folio on which you can specify information about fields you are importing is not displayed if you are appending records to an existing tabular array.

13. Access displays the final page of the magician. If you are importing records into a new table, specify a name for the destination table. In the Import to Table box, blazon a proper noun for the table. If the tabular array already exists, a prompt asks you whether you want to overwrite the existing contents of the table. Click Aye to continue or No to specify a different proper noun for the destination table.

    What is the Advanced button used for?

    The Advanced push in the Import Text Wizard allows y'all to create or open an import specification in the format used by earlier versions of Admission. Unless you have import specifications from before versions of Access (before Access 2007), nosotros recommend that y'all practice not use the Advanced button. Instead, if you want to save the details of this import operation, you can acquire more about this process in the next department.

14. Click Finish to import the information.

    Access attempts to import the data. If any of the data is imported, the wizard displays a dialog box that tells yous the status of the import operation. Conversely, if the functioning completely fails, Access displays the error bulletin An fault occurred trying to import file.

15. Open the destination tabular array in Datasheet view. Compare the data in the table with the source file, and brand sure the data appears to be correct.

What else should I know about importing?

• For data on how to save the details of your import into a specification that you can reuse afterwards, see the article Salvage the details of an import or export operation as a specification.

• For information on how to run saved import specifications, see the commodity Run a saved import or export operation.

• For information on how to schedule specifications to run at specific times, see the article Schedule an import or consign functioning.

• For data on how to change a specification name, delete specifications, or update the names of source files in specifications, see the commodity Manage Data Tasks.

Troubleshoot missing or incorrect values in an imported table

If you encounter the message An error occurred trying to import file, the import functioning completely failed. Conversely, if the import performance displays the page that prompts you to salve the details of the operation, the operation managed to import all or some of the information. The status message also mentions the name of the fault log table that contains the clarification of any errors that occurred during the import functioning.

It is important to annotation that even if the status bulletin indicates a successful operation, you lot should review the contents and structure of the tabular array to ensure that everything looks right before you offset using the table.

Open up the destination table in Datasheet view to see if all the data was successfully added to the table. You should so open the table in Design view to review the data type and other property settings of the fields.

The following table describes the steps you can take to correct missing or incorrect values.

Tip:While troubleshooting, if you find just a few missing values, you lot tin add them straight to the tabular array in Datasheet view. On the other mitt, if y'all observe entire columns or large number of values either missing or not imported properly, correct the problem in the source file. When you think y'all accept corrected all known problems, repeat the import operation.

Upshot	Resolution
-1 or 0 values	If the source file includes a field that contains only Truthful or False values or only Yes or No values, and you selected Yes/No as the data type for the field, y'all will see -i and 0 in the table. Open up the tabular array in Blueprint view, and set the Format holding to either Truthful/Imitation or Yes/No.
Multivalued fields	Access does not support importing multiple values in a field. The listing of values are treated equally a single value and placed in a text field, separated by semicolons.
Truncated data	If data appears truncated in a column, endeavour increasing the width of the cavalcade in Datasheet view. If increasing the width doesn't resolve the issue, the crusade might exist that the data blazon of a numeric field is set to Long Integer when information technology should have been prepare to Double.
Data missing in chief key or indexed fields	Records that you are importing incorporate duplicate values that cannot exist stored in the master fundamental field of the destination table or in a field that has the Indexed property set to Yes (No Duplicates) in an Access database. Eliminate the duplicate values in the source file and try importing over again.
Zero values	When yous open the tabular array in Datasheet view, you might notice that some fields are bare. Do the following to minimize or eliminate whatever instances of cypher values in the table: If the first 25 source rows comprise values of different information types, open the source file and rearrange the lines to make sure the first 25 rows do not contain mixed values in whatever of the fields. Then, try importing again. Enclose all non-text values that you want to store as text values in single or double quotation marks. During the import functioning, select the appropriate data type for each field. If the data type is incorrect, you might see null values or wrong values in the entire cavalcade.

In addition, you might want to review the fault log table from the final page of the magician in Datasheet view. The tabular array has 3 fields — Error, Field, and Row. Each row contains information well-nigh a specific fault, and the contents of the Mistake field should help y'all troubleshoot the trouble.

Complete listing of fault strings and troubleshooting hints

Error	Description
Field Truncation	A value in the file is besides large for the FieldSize property setting for this field.
Type Conversion Failure	A value in the text file or worksheet is the wrong data type for this field. The value might be missing or might appear incorrect in the destination field. See the entries in the preceding table for more information about how to troubleshoot this issue.
Key Violation	This record's primary key value is a duplicate — that is, it already exists in the tabular array.
Validation Rule Failure	A value breaks the rule ready past using the ValidationRule property for this field or for the table.
Null in Required Field	A aught value isn't immune in this field because the Required property for the field is set to Yeah.
Null value in AutoNumber field	The data that you lot are importing contains a nix value that you attempted to append to an AutoNumber field.
Unparsable Tape	A text value contains the text delimiter character (unremarkably double quotation marks). Whenever a value contains the delimiter character, the character must be repeated twice in the text file; for example: 10 - 3 1/ii"" disks/box

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Link to a text file

You utilise linking to connect to data in another file without importing it — by doing then, y'all can view the latest information in both the original program and in the Access file without creating and maintaining a copy in Access. If you lot don't desire to re-create the contents of the text file into your Admission database, only still want to run queries and generate reports based on that data, you lot should link to, rather than import, the text file.

When you link to a text file, Admission creates a new table that is linked to the source file. Any changes you lot make to the source file are reflected in the linked tabular array, yet, you will non be able to edit the contents of the corresponding tabular array in Admission. If you desire to make changes to the contents or structure of the data, you should open the source file and make the changes in it.

Mutual scenarios for linking to a text file from inside Access

• You use a program that outputs data in text format, but you lot desire to utilise the data for further assay and reporting by using multiple applications, 1 of them being Access.

• The data y'all want to work is maintained by a different section or workgroup. You desire to view the latest data, but don't want to edit or maintain a copy of your own.

If this is the first time y'all are linking to a text file

• When you link to a text file, Access creates a new table, often referred to as a linked tabular array. The linked table shows the data from the source file, merely it doesn't actually store the data in the database.

• You cannot link a text file to an existing table in the database. In other words, y'all cannot suspend data to an existing table by performing a linking operation.

• A database can contain multiple linked tables.

• Any changes that you make to the source file are automatically reflected in the linked table. Even so, the contents and structure of a linked table in Admission are read-but.

• When you open a text file in Access, Access creates a blank database and automatically starts the Link Text Magician.

Steps for linking to a text file

1. Locate the text file, and open it in a discussion processing programme, such as Give-and-take or Notepad.

   Note that you can link to simply one text file a time during a link operation. To link to multiple text files, repeat the link operation for each file.

2. Review the contents of the source file, and have activeness as described in the following tabular array:

   Element	Description
   Delimited or stock-still-width	Ensure that the file consistently follows i of the formats. If the file is delimited, place the delimiting character. If the file has stock-still-width fields, ensure that each field is the same width in every record.
   Text qualifiers	Some delimited files might contain field values that are enclosed in single or double quotation marks, as shown here: "Pernille Halberg",25,4/5/2017,"New York" "Daniel Brunner",27,2018,"Chicago" The graphic symbol that encloses a field value is chosen a text qualifier. Text qualifiers are not required, simply they are essential if: The field delimiter appears as part of the field values. For instance, if a comma is used every bit the field delimiter, and New York, Chicago is a valid field value, you must enclose the value within a pair of qualifiers, such as: "New York, Chicago". You want Access to treat non-text values, such as 0452934 and 0034539, as text values and shop them in a text field. During the linking operation, y'all can specify whether the file uses a qualifier and, if so, you specify the character that acts as the qualifier. Ensure that the same text qualifier is used throughout the file and that simply text values are enclosed within a pair of qualifiers.
   Number of fields	The number of source fields must not exceed 255 — Access cannot support more than 255 fields in a tabular array.
   Skipping records and fields	You can skip certain fields, but y'all cannot skip records.
   Blank lines and fields	Delete all unnecessary blank lines in the file. If there are blank fields, try to add the missing data in the source file.
   Inapplicable characters	Review and remove actress characters, such as tabs, line feeds, and carriage returns.
   Data types	To avoid errors during linking, ensure that each source field contains the same type of data in every line. Access scans the starting time 25 rows of a file to decide the data type of the fields in the table. We highly recommend that you lot ensure that the first 25 source rows do not mix values of different data types in whatever of the fields. Yous should likewise ensure that any non-text values that you want to be treated as text values are enclosed in single or double quotation marks. If the source file contains mixed values in the rows following the 25th row, the import operation might display mistake values or catechumen them incorrectly. For troubleshooting data, see the section Troubleshoot #Num! and incorrect values in a linked table, later in this article.
   Field names	For delimited text files, if the file does not include the names of the fields, it is a good practice to identify them in the first row. During the linking operation, you tin can specify that Access treat the values in the kickoff row as field names. However, when you import fixed-width text files, there is no option for treating the values in the first row as field names.

3. Close the source file, if it is open.

4. Open up the database in which you want to create the link. Ensure that the database is non read-only and that you have the necessary permissions to make changes to the database.

   If you don't want to store the link in whatever of your existing databases, create a bare database.

5. The location of the import/link text magician differs slightly depending upon your version of Access. Cull the steps that match your Access version:

   • If you lot're using the latest version of the Microsoft 365 subscription version of Access or Access 2019, on the External Data tab, in the Import & Link grouping, click New Information Source > From File > Text File.

   • If you're using Access 2016, Access 2013, or Access 2010, on the External Data tab, in the Import & Link group, click Text File.

6. Access opens the Get External Data – Text File dialog box.

   

7. In the Go External Data - Text File dialog box, specify the name of the text file that contains the information to which yous want to link in the File proper noun box.

8. Select Link to the information source by creating a linked table so click OK.

   The Link Text Wizard starts. This wizard guides you through the linking process.

9. Access scans the contents of the file and suggests how the file is organized. If the file uses a delimiting character to separate the fields, you should ensure that the Delimited selection is selected. If the file has fixed-width fields, ensure that the Fixed Width option is selected.

10. Click Next.

11. The next page of the magician that is displayed depends on whether yous selected the delimited pick or the fixed-width option.

    Delimited files    Select or specify the graphic symbol that delimits the field values. If the file users a text qualifier, in the Text Qualifier box, select either " or '. If the outset row of the source file contains field names, select the Get-go Row contains Field Names check box. Then, click Side by side.

    Fixed-width files    The sorcerer shows the contents of the file. If Admission detects a columnar structure in the data, it places vertical lines in the information to separate the fields. Review the structure suggested past the sorcerer and, if necessary, follow the instructions on the sorcerer folio to add together, remove, or accommodate the lines. Then, click Next.

12. On the adjacent page of the wizard, Admission displays the field properties. Click a column in the lower half of the sorcerer page to display the corresponding field'southward properties. Review and change, if you lot want, the name and data blazon of the destination fields.

    Access reviews the first 25 rows in each column to advise the default information type for the corresponding field. If at that place are different types of values, such as text and numeric values, in the first 25 rows of a cavalcade, the magician suggests a data type that is compatible with all or most of the values in the cavalcade. In most cases, that is the text data type. Although you can cull a different data type, call up that values that are not uniform with the chosen data type will either result in error values or become converted incorrectly. For more data, encounter the side by side department, Troubleshoot #Num! and incorrect values in a linked table.

    What is the Avant-garde button used for?

    The Advanced button in the Import Text Sorcerer allows yous to create or open up a link specification in the format used by before versions of Access. Access does not provide a way to salve a link specification, unlike import and consign operations, then if you desire to salve the details of a link specification, click the Advanced button, ready the options you desire, and then click Save Equally.

13. Click Next.

14. On the final page of the wizard, specify a name for the linked table and click Finish. If a table with that name already exists, Admission asks if you want to overwrite the existing table. Click Yes if you want to overwrite, or No to specify a different table proper name.

    Access attempts to create the linked table. If the tabular array is successfully created, Access displays the message Finished linking table.... Open the linked tabular array and review the fields and data to make sure y'all see the right data in all the fields.

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Troubleshoot #Num! and wrong values in a linked table

Even if yous encounter the message Finished linking tabular array, you should all the same open the table in Datasheet view to verify that all the rows and columns show the correct data.

If you see errors or incorrect information anywhere in the tabular array, have corrective activity every bit described in the following table and endeavour linking over again. Remember that you volition not be able to add the values directly to the linked tabular array, because the table is read-only.

Upshot	Resolution
-ane or 0 values	If the source file includes a field that contains only True or False values or only Yes or No values, and you selected Aye/No as the information type for the field, y'all will see -1 or 0 in the table. Open the table in Design view and set the Format property to Truthful/False or Yeah/No.
Multivalued fields	When you link data, Admission does not enable back up for multiple values in a field. The list of values is treated as a single value and placed in a text field, separated by semicolons.
Truncated data	If data appears truncated in a column, attempt increasing the width of the column in Datasheet view. If increasing the width doesn't resolve the issue, the crusade might be that the information type of a numeric field is fix to Long Integer, when information technology should have been fix to Double.
#Num!	When you open the tabular array in Datasheet view, yous might come across that some fields incorporate #Num! instead of the actual value. Do the following to minimize or eliminate any instances of null values in the source file: Enclose all non-text values that you desire to shop every bit text values in unmarried or double quotation marks. During the linking operation, select the appropriate data type for each field. If the information blazon is incorrect, the unabridged column might incorporate simply #Num! values for all the rows. The post-obit table lists cases where you lot will nevertheless encounter the #Num! error in fields: If the values that are missing are of type... And the destination field type is... You should... Text Numeric or Date Replace all text values with values that match the data type of the destination field and and so effort linking once more. Date Numeric Replace all date values with numeric values and and so effort linking again. Numeric Engagement Replace all numeric values with date values and so try linking once again.

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Source: https://support.microsoft.com/en-us/office/import-or-link-to-data-in-a-text-file-d6973101-9547-4315-a8f8-02911b549306

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