How do you erase all the columns in Excel?

Answer 1

It depends on if you want to delete only the contents of the column or remove the entire column from the worksheet. If you want to remove the entire column, right-click on the column heading and click on the delete menu option. If you want to leave the column, and delete only the contents, right-click on the column heading and press the Delete key.

Answer 2

You cannot get rid of all the columns themselves, just their content. The simplest way to do that is to select them all and press the Delete key. You would then be left with the worksheet with its columns, rows and cells being empty, but still there.

Answer 3

The columns are undeletable unless you exit the program WITHOUT saving or saving as