Signal Desktop
Save the attachment
To save the attachment in Signal Desktop, press Ctrl + S. On a Mac, press Cmd + S instead.
Where it works: Message selected
Every documented variant
| System | Environment | Keys |
|---|---|---|
| Mac | Desktop app | CmdS |
| Windows | Desktop app | CtrlS |
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.