Alt M U on Mac: AutoSum menu in Excel

To open the AutoSum menu with Alt M U in Excel on a Mac, install LightningXL, tap Option, then type M, U. The same keys as Windows, with the same result.

Step by step

1. Install LightningXL

   Download LightningXL, then follow the instructions. Setup takes about two minutes.

2. Select what to act on

   Click a cell, or select the range the command should apply to.

3. Tap Option, then type M U

   Tap ⌥ on its own to show the key tips, then M for Formulas, U for AutoSum. That opens the AutoSum menu; the next key tips show the items in it.

What Alt M U does

Alt M U opens the AutoSum menu on the Formulas tab of Excel. Type one more key to pick an item:

• ⌥MUS Sum
• ⌥MUA Average
• ⌥MUC Count Numbers
• ⌥MUM Max
• ⌥MUI Min
• ⌥MUF More Functions

Related shortcuts

The rest of the Formulas tab in Excel:

• ⌥MF Insert Function
• ⌥MR Recently Used
• ⌥MI Financial
• ⌥ML Logical
• ⌥MT Text
• ⌥ME Date & Time
• ⌥MO Lookup & Reference
• ⌥MG Math & Trig