Add-ons
Folders and Filters
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quickFilters
Quickly generate mail filters on the fly, by dragging and dropping mails and analyzing their attributes. Create a filter in less than 10 seconds, it's as easy as: drag, click, click.
By popular demand, supports SORTING filters alphabetically.
Full Address Column
Adds a full sender and recipient e-mail column to message list panel.
ExtendIMAPFilters
This addon extends filtering to read messages downloaded during an IMAP synchronization (bug 308148)
Awesome Auto Archive
Automatically do Archive/Copy/Delete/Move actions based on user defined rules
archive-by-time
With the filter function comes with thunderbird, all emails met rules will be moved to a specific folder. As time passed the folder would grew bigger and I wanted to put all emails into sub folders classified by year.
Filter email folders
Filter mail folder tree by keyword.
For those with many folders.
This add-on was made based on `Hide Email Folders 3.0.0 persiancity@gmail.com` and `Search Button 2.3.0 SearchButton@pharqcon.com`.
Feedly Synchronizer
Thunderbird Email 2 CSV Exporter
This add-on has been thoroughly tested on all platforms up to Thunderbird version 115. It allows you to target specific file folders and tag them for export, generating a CSV-formatted export file. Great for a large number of emails and Mailchimp.
mozCleaner
Cleans your Firefox, Thunderbird, SeaMonkey, Fennec (unstable), Instantbird and BlueGriffon.
Thread in same folder
Runs after junk classification and filtering to make sure a newly-received message lands in the same folder as its parent in a thread.
Color Folders
Thunderkey
Flat Folder Tree (updated)
Flat Folder Tree enables you to selectively breakout sub-folders under intermediate folders in the folder pane view. This is an updated version of the existing addon, now compatible with Thunderbird 60.
Hide Duplicates From 'All Mail'
Hides duplicate emails from the 'All Mail' folder upon clicking on a result from Global Search, so that if one email is in both the 'All Mail' folder (e.g. of Gmail) and another folder (e.g. 'Sent'), it'll only show the email from the other folder.
Collapsed Unread
Requires Restart
Shows unread email count for collapsed folders even if the unread mails are in subfolders.
SavedSearchThemAll
Requires Restart
A Thunderbird extension to automagically extend all the saved searches to all the foders!
Message Mover
This add-on lets you move messages from a specific folder (and sub-folders) to a new folder.
Sender Domain
Adds optional columns to the messages pane.
Example : "abc@example.com"
* domain column -- "example.com"
* reverse domain column -- "com.example"
Bulk organize your messages by domain (eg. remove spam, back up, separate in folders)
To create your own collections, you must have a Mozilla Add-ons account.
