Data from any database file can be registered to the installed instance of Office. To register means to tell Office where the data is located, how it is organised, how to get that data, and more. Once the database is registered, you can use the menu command View - Data source to access the data records from your text documents and spreadsheets.
Choose Tools - Options - Office Base - Databases.
Click New and select the database file.
Choose Tools - Options - Office Base - Databases.
Select the database file and click Delete.