Curious about helping? You don’t need to be an expert or know how to code to help other users or offer suggestions about improving the experience! Join us in this open source project where anyone can participate in the Thunderbird community.

Get Involved

Share ideas and feedback.

Mozilla Connect

Help make Thunderbird better.

Get the Beta

Questions? Problems?

Post your general Thunderbird usage questions or problems on the support page, where many knowledgeable users can help you.

Support Page


Think you’ve found a new problem or rough edge? Create a bug report so we can make sure it gets solved, resulting in a better Thunderbird experience for all.

Report a Bug


If Crash Reporter appears when Thunderbird crashes, please provide as many details as possible to help developers.

  • In Thunderbird do Help > More Troubleshooting Information, scroll to "Crash Reports", click a recent report link to open the crash report page.
  • Click the Bugzilla tab, then click on an existing bug report under "Related Bugs" and add a comment to the bug, or click "Thunderbird" to submit a new bug report.
Crash Reporter