Mozilla Thunderbird

Close the window or tab

CtrlW

Windows Desktop app Thunderbird on Windows and Linux

Practice this

To close the window or tab in Mozilla Thunderbird, press Ctrl + W. It is listed for Windows, and no Mac version is documented here.

Where it works: Anywhere

Ctrl and F4 closes a tab, and Alt and F4 closes a window.

Where this comes from

Documentation checked on 2026-09-14. That is a documentation review, not a test run inside the application.