Performance and connectivity
Deal with error messages, crashing applications, connectivity issues, and slow performance.
Mozilla Crash Reporter TB
The Mozilla Crash Reporter dialog box appears when Thunderbird crashes and lets you send a crash report. Learn how it works and how to access your crash reports.
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Rebuilding the Global Database
Rebuilding the Global Database will initiate a re-indexing of emails and address book cards (newsgroup messages are not indexed).
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Troubleshoot Mode Thunderbird
How to use Thunderbird's Troubleshoot Mode to find and fix problems, especially if they are caused by add-ons.
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1 week ago
Compacting folders - Potential complications
Help the user understand some of the things that may go wrong when compacting.
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Thunderbird makes unrequested connections
Thunderbird sometimes automatically connects to the Internet. These connections are for routine maintenance, update and security purposes.
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Rebuilding Global Database
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Profiling Thunderbird Performance
How to create a Thunderbird performance profile to find causes of high CPU load or slowness.
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