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Mozilla Thunderbird

Reset the zoom

Ctrl0

Windows Desktop app Thunderbird on Windows and Linux

Practice this

Press Ctrl + 0 to reset the zoom in Mozilla Thunderbird. It is listed for Windows, and no Mac version is documented here.

Where it works: Reading a message

Where this comes from

Keyboard shortcuts - Thunderbird Help

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

The same task in other apps

Zoom to normal Audacity Ctrl + 2
Reset the zoom level Bitwarden Cmd + 0
Reset zoom Google Chrome Ctrl + 0
Return the page to normal zoom ChromeOS Ctrl + 0
Reset the page magnification Microsoft Edge Cmd + 0
Reset the zoom Evernote Cmd + 0
Reset the page magnification Mozilla Firefox Cmd + 0
Zoom to 100 per cent Miro Cmd + 0
Reset the page magnification Safari Cmd + 0
Reset the zoom Microsoft Teams Cmd + 0
Reset the zoom level Todoist Cmd + 0
Reset the zoom Zotero Cmd + 0

More Mozilla Thunderbird shortcuts

Expand the thread Right arrow
Collapse the thread Left arrow
Expand every thread *
Collapse every thread
Print the message Ctrl + P
Save the message as a file Ctrl + S
View the message source Ctrl + U
Select the whole thread Ctrl + Shift + A

See every Mozilla Thunderbird shortcut

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