Merge all in Google Sheets — Keyboard Shortcut (Mac & Windows)

Pro Category: Formatting · Time saved per use: ~3sec

Mac

Ctrl+Opt+O → M → A

Windows

Alt+O → M → A

Instead of clicking Format › Merge cells › Merge all press Ctrl+Opt+O → M → A / Alt+O → M → A.

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.