You can easily hide and unhide columns in Excel by individually revealing hidden columns or using the "Format" option to unhide all hidden cells.

You can hide and unhide rows in Excel by right-clicking, or reveal all hidden rows using the "Format" option in the "Home" tab.

Sometimes hiding certain columns in an Excel spreadsheet can be helpful: Doing so can make spreadsheets easier to read or you may have other reasons to hide them. In any case, hiding columns in ...