Mark the chat as unread
In WhatsApp, Ctrl + Alt + Shift + U will mark the chat as unread. On a Mac, press Cmd + Ctrl + Shift + U instead. It works in the browser version.
Where it works: Chat selected
Every documented variant
| System | Environment | Keys |
|---|---|---|
| Mac | Web app | CmdCtrlShiftU |
| Windows | Web app | CtrlAltShiftU |
Where this comes from
About keyboard shortcuts - WhatsApp Help Center
Documentation checked on 2026-09-14. That is a documentation review, not a test run inside the application.