Bugs: * Comparing messages by source or line count is still buggy, could mark messages falsely as duplicates. After completing the installation, restart Thunderbird application. Go to search box and type Remove Duplicates and then press Enter to download add-on in your Thunderbird. This will show message ‘Add Remove Duplicate messages.’. Search Remove duplicate messages and click on Add to Thunderbird. * Optionally keep either the bigger, smaller, unread or first or last found message. Find steps involved in this process: Open Mozilla Thunderbird. Click all folders one time to retrieve the headers.
Install the plugin and connect to the mailbox which has duplicate messages using Thunderbird via IMAP. * Optional automatic deletion (without the dialog showing the duplicates, use with care!). Duplicate messages can be easily cleaned up with the following Thunderbird extension. * Supported Languages: en-US, de-DE, de-LU, es-ES, fr-FR, it-IT, ja-JP, nl-NL, pt-BR, ru-RU, uk-UA * Easy to use and fast (1000 messages per second). * Manually adjust the selection of messages to be deleted.
* Examine duplicates before deleting them. A pop window opens if duplicate email available in your inbox. It allows you to configure what you want to compare (Sender, Message-ID, Subject etc.). Now go back to your account section and right-click on folder > Select Remove Duplicates. Set Schedule and automatic send/receive copy’ value between 15 to 30 minutes.
from merging folders or downloading messages several times) you can use this tool to find and remove them by choosing "Remove Duplicate Messages" from the context menu. Fast and reliable detection and removal of duplicated messages Two comparison methods: Standard & Light Flexible additional comparison criteria and. By modifying Inbox update frequency, you can remove duplicate emails with the given steps: Open MS Outlook and click on Send/Receive button. This is the abandoned Remove Duplicate Messages add-on, rewritten for Thunderbird 68. Then select all, either from 'Edit -> Select -> All' or by pressing 'Ctrl+A'. Please use Remove Duplicate Messages (Alternate) for Thunderbird 78 and higher. If the duplicate messages appear as unread and are not mixed among unread messages you want to keep, use the 'View' pulldown menu and select 'Unread.' This will give you only unread messages in the main listings window. Development for this add-on has stopped, there will be no more working versions.