Select the column or columns you want to hide
Right-click the selected column header
Click Hide
To hide non-adjacent columns, hold Ctrl while selecting the column headers
To hide columns using the ribbon, go to Home
In the Cells group, click Format
Under Visibility, choose Hide & Unhide
Click Hide Columns
To hide columns with a keyboard shortcut, select the columns and press Ctrl+0
To unhide columns, select the columns on both sides of the hidden columns
Right-click and choose Unhide
To unhide using the ribbon, go to Home
Click Format
Choose Hide & Unhide
Click Unhide Columns