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- Thunderbird and Microsoft email (Office365, Hotmail, outlook.com, etc)
- Appearance Panel - Layout, Message List, Card View, Table View, Sorting and Threading settings
- Thunderbird and Microsoft protocols (Exchange and Graph)
- Channel Choices for Thunderbird Snap and Flatpak
- What is the Mozilla Maintenance Service?
- Profiles - Where Thunderbird stores your messages and other user data
- Protect your Thunderbird passwords with a Primary Password
- Master password requested but not set Redirect 1
- Certificates
- Protect your Thunderbird passwords with a Primary Password
- Primary Password is replacing Master Password in Thunderbird
- OAuth2 for Thunderbird
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Ask the CommunityFeatured Articles
Thunderbird and Junk / Spam Messages
This article explains how Thunderbird's adaptive filter learns to identify junk mail ("spam").
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Microsoft EWS to Graph Migration October 2026
Microsoft has scheduled a migration from Exchange Web Services to Microsoft Graph for October 2026
Thunderbird add-ons - frequently asked questions
Add-ons are extensions and other additions that add new functionality to Thunderbird or change its appearance.
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