Excel AutoSum Shortcut for Windows, Mac & Web

Adds a SUM formula for the cells above. Here's the keyboard shortcut for every version of Excel, plus other ways to do it.

Quick Answer

Windows: Alt+=
Mac: Cmd+Shift+T
Web: Alt+Shift+=

Excel

AutoSum

Windows

Alt+=

Adds a SUM formula for the cells above.

How to autosum in Excel with the keyboard

Open Excel and go to where you want to autosum.
Press Alt + = on Windows or Cmd + Shift + T on Mac.

Excel AutoSum Shortcut for Windows

Press Alt + =.

Excel AutoSum Shortcut for Mac

Press Cmd + Shift + T.

Excel AutoSum Shortcut for Excel Web

Press Alt + Shift + =.

Related Shortcuts

Frequently asked questions

What is the Excel autosum shortcut?

On Windows, press Alt + =. On a Mac, press Cmd + Shift + T.

Is there a Mac shortcut to autosum in Excel?

Yes: Cmd + Shift + T.

Does it work in Excel for the web?

Yes: Alt + Shift + =.

Verified 2026-10-07 · Last reviewed: 2026-10-07 · Microsoft's official shortcut list