Locking is a handy function in Excel that allows users to lock specific or all cells in a worksheet to prevent any intentional or unintentional editing of them. You can easily lock cells in a sheet by ...

A recommended approach to secure your most private documents — whether it’s a PDF, Word file, or Excel spreadsheet — is to lock them with a passcode. While this does help keep sensitive content safe, ...

Excel grays out menu commands for unavailable features or functions. To unlock the grayed-out menus, first review the most common causes, then take the steps necessary make the menu active. By default ...