Data validation in Microsoft Excel is a great way to limit what can be entered into a cell. However, creating rules using a formula allows you to enforce even more precise parameters—and there are ...

If you see the error “This value doesn’t match the data validation restrictions defined for this cell” when entering a value in an Excel cell, the solutions ...

I used to set aside time every week to clean my spreadsheets by running helper formulas, scanning for red cells from conditional formatting, and fixing typos that had snuck in over the past few days.