Keyboard shortcuts in Mail on Mac

In Mail on your Mac, quickly accomplish many tasks with email messages using keyboard shortcuts.

Action	Shortcut
Start a new email	Command-N
Open a new Mail viewer window	Option-Command-N
Attach files to your email	Shift-Command-A
Paste text into your email as a quotation	Shift-Command-V
Append selected emails to your email	Option-Command-I
Show the BCC address field in your email	Option-Command-B
Show the Reply-to address field in your email	Option-Command-R
Get new emails	Shift-Command-N
Erase junk mail	Option-Command-J
Send emails	Shift-Command-D
Reply to the selected email	Command-R
Reply All to the selected email	Shift-Command-R
Forward the selected email	Shift-Command-F
Quit Keychain Access	Shift-Command-E
Mark the selected emails as read	Shift-Command-U
Move the selected emails to the Junk mailbox	Shift-Command-J
Archive the selected emails	Control-Command-A
Apply active Mail rules	Control-Command-L
Format the current email as Plain Text or Rich Format	Shift-Command-T
Show the Mail viewer window	Command-0
Show the Mail Activity window	Control-Command-0

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Mail User Guide