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Indent

Windows shortcut 
AltH6
Mac shortcut 
⌃⌥Tab

This shortcut increases the indent in a cell by one step each time it is used.

On Windows, you can sometimes use Ctrl+Alt+Tab to indent and Ctrl+Alt+Shift+Tab to un-indent. However, The application switcher in Windows 7 seems to conflict with these shortcuts.

On the Mac, Ctrl+M and Cmd+Shift+Tab also work. Cmd+M should work, but it conflicts with the the Finder minimize window shortcut (see http://apple.stackexchange.com/questions/73886/disable-command-m-to-mini...)

222 Excel Shortcuts for Windows and Mac

Related videos

The videos below demonstrate this shortcut.
Shortcuts for formatting
In this lesson, we cover shortcuts you can use to format cells and other objects.

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