Relationships use key fields, which are fields with the same name and data in both tables. In Microsoft Excel, the Foreign key is the primary key that lets users match data in both tables.

Image: Renan/Adobe Stock Updating data in a Microsoft Excel workbook is common, but you will run into cases where you can replace manual input by running a bit of M code in Power Query. This task ...

See the screenshot below of the Excel spreadsheet after using Data Table for this example. You can leave the number in cell E3 as-is, or you can hide or reformat it as described above, but either way, ...

Select a cell — I selected B2. Click the Data tab. In the Data Tools group, click Data Validation, and then click Data Validation from the dropdown. From the Allow dropdown, choose List.