Welcome to Thunderbird Beta

Thanks for helping us make our next version of Thunderbird the best yet.

Give Feedback

Your feedback is essential to the project and makes Thunderbird better with every beta release. Give us your feedback on Thunderbird Beta at our support site.

Submit a Bug

If you notice any problems with Thunderbird Beta, please file a bug using these instructions.

Submit Crash Reports

Please use the Crash Reporter and turn it on when it asks. The Crash Reporter gives us really valuable data on which crashes are the most serious, and how often people encounter them. Click ‘OK’ when the Crash Reporter prompts you to send feedback.

Join the QA Team

Join the QA Team! There is a lot to do and we rely on volunteers to keep Thunderbird’s high quality.

More Ways to Help

Get Involved! You don’t have to be technical and being involved is good for people wanting to get more familiar with Thunderbird.