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Apple Mail

Show or hide the sidebar

CtrlCmdS

Mac Desktop app Mail for Mac

Practice this

To show or hide the sidebar in Apple Mail, press Ctrl + Cmd + S. It is listed for the Mac.

Where it works: Viewer window

Where this comes from

Keyboard shortcuts in Mail on Mac - Apple Support

Documentation checked on 2026-09-14. That is a documentation review, not a test run inside the application.

More Apple Mail shortcuts

Turn the mailbox filter on or off Cmd + L
Mark emails as read or unread Shift + Cmd + U
Move emails to the suggested mailbox Ctrl + Cmd + M
Move emails to the junk mailbox Shift + Cmd + J
Archive the selected emails Ctrl + Cmd + A
Apply your mail rules Ctrl + Cmd + L
Switch between plain and rich text Shift + Cmd + T
Show the viewer window Cmd + 0

See every Apple Mail shortcut

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