To Hide Columns:-
Select the Columns
Using Menu:-
Format>>Columns>>Hide.
Using Keyboard Shortcut:-
Cntrl+0
Using Shortcut Menu:-
Do Right Click>>Select Hide.
To Unhide Columns:-
Select the Columns
Using Menu:-
Format>>Columns>>UnHide.
Using Shortcut:-
Cntrl+Shift+)
Using Shortcut Menu:-
Do Right Click>>Select Unhide.
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