The selected columns will disappear the same way as the in the method described above.
Hide Columns Using a Hotkey
If your mouse isn’t working properly, you can rely on your keyboard to hide your columns just as efficiently. Follow these steps:
Select the columns with your mouse or keyboard. On the keyboard, press ‘Ctrl + Space’ to select the whole column. You can only select adjacent columns using this method.
Press ‘Ctrl + 9.’
This will hide the selected column.
Hide Columns via Visual Basic
Newer versions of Microsoft Excel have the ‘Visual Basic’ option where you can enter a manual code to hide a column. This is the most complicated process you can use to hide columns.