Performance and connectivity

Crashing and slow performance

Troubleshoot issues with app crashes or slow performance.

Troubleshoot Mode Thunderbird

How to use Thunderbird's Troubleshoot Mode to find and fix problems, especially if they are caused by add-ons.

Thunderbird Thunderbird Last updated:

Profiling Thunderbird Performance

How to create a Thunderbird performance profile to find causes of high CPU load or slowness.

Thunderbird Thunderbird Last updated: 3 weeks ago
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