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.

Thunderbird Thunderbird Last updated:

Rebuilding the Global Database

Rebuilding the Global Database will initiate a re-indexing of emails and address book cards (newsgroup messages are not indexed).

Thunderbird Thunderbird Last updated:

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: 1 week ago

Thunderbird makes unrequested connections

Thunderbird sometimes automatically connects to the Internet. These connections are for routine maintenance, update and security purposes.

Thunderbird Thunderbird Last updated:
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