Slack
Mark all messages as read
In Slack this is mark all messages as read. It applies here: workspace messages.
Where it works: Workspace messages
Every documented variant
| System | Environment | Keys |
|---|---|---|
| Mac | Desktop app | ShiftEsc |
| Windows | Desktop app | ShiftEsc |
Where this comes from
Documentation checked on 2026-09-11. That is a documentation review, not a test run inside the application.