

Remove Duplicate Messages - Thunderbird
This add-on lets you search messages in one or several folders to locate duplicates: Messages which are identical – according to some comparison criteria you chose.
Cost / License
- Free
- Open Source
Platforms
- Thunderbird
Features
Properties
- Lightweight
- Privacy focused
Features
- Works Offline
- Ad-free
- No registration required
- Portable
- Email parsing
Tags
- thunderbird-addon
- duplicate-detection
- mozilla
- thunderbird
- thunderbird-extension
- mail-folders
- productivity
- duplicates
Remove Duplicate Messages - Thunderbird News & Activities
Recent activities
Remove Duplicate Messages - Thunderbird information
What is Remove Duplicate Messages - Thunderbird?
This add-on lets you search messages in one or several folders to locate duplicates: Messages which are identical – according to some comparison criteria you chose.
Features: — Wide choice of comparison criteria (subject, author, send time, CC list, flags, etc). — Review dialog for double-checking which duplicates to delete and which to keep. — Relatively fast; should easily be able to handle 100K emails and more — Supports comparison of message bodies as a comparison criteria (but this slows thing down of course). — Good performance on local folders with large number of messages; reasonable performance with IMAP and RSS accounts. — Spiffy toolbar button+menu for quick access. — Free (GPL/LGPL/MPL license)






Comments and Reviews
Works perfect! Ideal tool when migrating from one system to another with risks of duplicates, but also for annual cleaning. When problems, you can expect good support from the developer! We saved hundreds of Gb.