Insert column left in Google Sheets — Keyboard Shortcut (Mac & Windows)
Mac
Ctrl+Opt+I → C → C
Windows
Alt+I → C → C
Instead of clicking Insert 1 column left press Ctrl+Opt+I → C → C / Alt+I → C → C.
See this shortcut the moment you click
MasterKey is a free Chrome extension. It watches your clicks in Google Sheets and shows the matching keyboard shortcut — so you learn without trying.
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