How to: Delete a column from a worksheet.
Solution:
Click on any cell in a column, select 'Delete...' from 'Edit' menu, and select the 'Entire Column' radio button.
1) Click on any cell of the column to be deleted.
2) Select the 'Edit' menu and select 'Delete...'. (The Delete dialog box appears.)
3) Select the 'Entire Column' radio button.
4) Click 'OK'.
SHORTCUT: Click on the reference for the column to be deleted. Click on the right mouse button and select 'Delete' from the shortcut menu.
NOTE: To delete multiple columns, highlight the desired number of columns in the worksheet, and follow steps 2) through 4) above.