Strikethrough in Google Sheets — Keyboard Shortcut (Mac & Windows)
Mac
Cmd+Shift+X
Windows
Alt+Shift+5
Instead of clicking Format › Text › Strikethrough press Cmd+Shift+X / Alt+Shift+5.
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.
Add to Chrome — it's free