The QA Team Needs You

We are nearing the launch of Thunderbird 3, and there is a lot to do. We need your help to keep Thunderbird's high quality.

Submit a Bug

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

Submit Crash Reports

Please use the Crash Reporter when Shredder crashes. It gives us valuable data on the most serious crashes and how people encounter them. 'Tell Mozilla' must be checked, and add a comment before you click 'Restart' or 'Quit'.

Give Feedback

You can send us feedback using this form.

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.