Alt P M C on Mac: Custom Margins in Excel
To run Custom Margins with Alt P M C in Excel on a Mac, install LightningXL, tap Option, then type P, M, C. The same keys as Windows, with the same result.
Step by step
Install LightningXL
Download LightningXL, then follow the instructions. Setup takes about two minutes.
Select what to act on
Click a cell, or select the range the command should apply to.
Tap Option, then type P M C
Tap ⌥ on its own to show the keytips, then P for Page Layout, M for Margins, C for Custom Margins.
What Alt P M C does
Custom Margins sits under Page Layout › Margins on the Excel ribbon. On Windows, Alt P M C runs it from the keyboard. Excel for Mac has the same ribbon but no Alt key, so without LightningXL you click through Page Layout › Margins › Custom Margins instead.
Related shortcuts
The rest of the Margins menu in Excel:
Every Windows shortcut you know, on your Mac
Alt keytips for the Excel, Word and PowerPoint ribbons, plus 100+ of the most common modeling shortcuts.
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