If you have duplicate messages (e.g. from merging folders or downloading messages several times) you can use this tool to find and remove them from the selected folder and its subfolder by rightclicking on a folder and choosing "Remove Duplicate Messages".
Remove Duplicate Messages for ThunderBird allows you to configure what you want to compare (sender, messageid, subject.
Here are some key features of "Remove Duplicate Messages":
· Also checks subfolders
· View found messages in main view
· Option to make manual changes to the messages to be deleted.
· Supported Languages: en-US, de-DE, de-CH, de-LI, de-LU, de-CH, it-IT, es-ES, fr-FR, nl-NL
· Easy to use and fast (1000 messages per second).
· Automatic delete (no dialog showing the duplicates)
· Prefere to keep the bigger, smaller, unread or first/last found Message.
Requirements:
· Thunderbird 2.0 to 3.0.*
What`s New in This Release: [ read full changelog ]
· Bugfix: In Thunderbird 2.0 search failed if subfolders were present.