A common use of data validation is to create a drop-down list. Use it to restrict the type of data that users enter into an Excel cell.

We can illustrate this technique by adding such a validation data control to the Membership Number column as follows: Select all existing data cells in the column in question.

When you update this spreadsheet with new or different data, you won’t have to re-create the validation rule, but you will need to click Circle Invalid Data again. This tool would be useful to bring ...

Susan Harkins shows you a quick method for removing validation rules for multiple ranges in Excel, at the same time.

INDEX with XMATCH returns an item from a range or array according to the first or last match it finds. Like XLOOKUP, it works with vertical and horizontal datasets, can search in any direction, and ...