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Mattermost

Bold the selected text

CtrlB

Windows Desktop app Mattermost

Practice this

Press Ctrl + B to bold the selected text in Mattermost. On a Mac, press Cmd + B instead.

Where it works: Message box

Every documented variant

Variants of this shortcut
System	Environment	Keys
Mac	Desktop app	`CmdB`
Windows	Desktop app	`CtrlB`

Where this comes from

Mattermost keyboard shortcuts

Documentation checked on 2026-09-12. That is a documentation review, not a test run inside the application.

The same task in other apps

Bold Canva Cmd + B
Bold the selected text Confluence Ctrl + B
Bold the text Evernote Cmd + B
Bold Microsoft Excel Ctrl + B
Bold the selected text GitHub Cmd + B
Bold the selected text GitLab Cmd + B
Bold Gmail Ctrl + B
Bold Google Docs Ctrl + B
Bold Google Sheets Ctrl + B
Bold Google Slides Ctrl + B
Bold Adobe InDesign Shift + Cmd + B
Bold the selected text Keynote Cmd + B

More Mattermost shortcuts

Italicise the selected text Cmd + I
Format the text as a link Cmd + Option + K
Go back to the previous channel in your history Cmd + [
Go forward in your channel history Cmd + ]
Insert a new line in the message Shift + Enter
Start or join the call in this channel Cmd + Option + S
Mute or unmute yourself Cmd + Shift + Space
Raise or lower your hand Cmd + Shift + Y

See every Mattermost shortcut

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