Signal Desktop
Send from the expanded composer
Press Ctrl + Enter to send from the expanded composer in Signal Desktop. On a Mac, press Cmd + Enter instead.
Where it works: Expanded composer
Every documented variant
| System | Environment | Keys |
|---|---|---|
| Mac | Desktop app | CmdEnter |
| Windows | Desktop app | CtrlEnter |
Where this comes from
Signal keyboard command reference cards - Signal
Documentation checked on 2026-09-14. That is a documentation review, not a test run inside the application.