To apply data validation rules to a selected cell or range, head to the "Data" tab on the ribbon, and click the top half of the "Data Validation" icon if you're using a wide screen, or the left half ...
You can split cells into columns in Excel using the "Text to Columns" tool, which is a great way to organize lots of data.
You can easily hide and unhide columns in Excel by individually revealing hidden columns or using the "Format" option to ...
While INFO tells you about your Excel environment, CELL digs into individual cells and returns details about their formatting ...