Hide or unhide columns in your spreadsheet to show just the data that you need to see or print.
Select one or more columns, and then press Ctrl to select additional columns that aren't adjacent.
Right-click the selected columns, and then select Hide.
Note: The double line between two columns is an indicator that you've hidden a column.
Select the adjacent columns for the hidden columns.
Right-click the selected columns, and then select Unhide.
Or double-click the double line between the two columns where hidden columns exist.