Shortcuts in iMessage — in case you forgot

Messages shortcuts

Open Messages preferences	Command-Comma (,)
Hide Messages	Command-H
Hide everything except Messages	Option-Command-H
Quit Messages	Command-Q
Start a new message	Command-N
Open the Messages window	Command-0
Close the Messages window	Command-W
Print the conversation	Command-P
Search all conversations for matching text	Command-F
Clear the transcript (delete a conversation without closing it)	Option-Command-K
Open the Emoji & Symbols window	Control-Command-Space
Minimize a window	Command-M
Minimize all windows	Option-Command-M
Open the File Transfers window	Option-Command-L
Enter full-screen view	Control-Command-F

Make the text bigger	Command-Plus Sign (+)
Make the text smaller	Command-Minus Sign (–)
Insert a line break (in a message)	Option-Return
Copy the selected text	Command-C
Paste copied text	Command-V
Open the Spelling and Grammar window	Shift-Command-Colon (:)
Check the text field for spelling and grammar issues	Command-Semicolon (;)
Select the next conversation	Control-Tab
Select the previous conversation	Control-Shift-Tab
Send an email to a selected person in the conversation	Option-Command-E
Show video effects (while in a video call in Messages)	Shift-Command-E
Delete a single message	Delete (first, select the message)
Close all conversations	Option-Shift-Command-W