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ImportExportTools
Requires Restart
Adds some tools to import and export folders and messages
Mail Redirect
Requires Restart
Allow to redirect (a.k.a. "remail") mail messages to other recipients.
ProfileSwitcher
Requires Restart
It adds some options to launch easily other profiles and the Profile Manager.
Toolbar Buttons
Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.
Dorando keyconfig
Requires Restart
A modified Dorando's addon to rebind keyboard shortcuts. It is designed to be a drop-in replacement, keeping your old settings. (See details for upgrade instructions.)
As of version 2016.2, Custom keys (using custom JavaScript) work again!
Auto Compress File
Requires Restart
Compressor for attachment files. All platforms are supported (Windows, Linux and Macintosh).
Lightning QR Code Add-on
Integrate QR codes for calendar events into tooltips for easy transfer to mobile devices.
Subject Manager
ThunderStats! Your Thunderbird Statistics!
Requires Restart
Do you remember the old good Eudora statistics? Do you miss them?
Using this addon you can finally keep an eye on how you use your beloved Thunderbird!
DOM Inspector Plus! [dm]
Requires Restart
Improved DOM Inspector! [dm version]. Box Model new layout & more data, see screenshot!. Horizontal scroll for Dom-Tree, and some more.
Inspects the structure and properties of a window and its contents.
AttachExtraTools
Requires Restart
This extension gives more options and tools to attach files from compose window.
Tiny JavaScript Debugger
TinyJSD is a JavaScript debugger for privileged code running Mozilla products like Firefox, Thunderbird, SeaMonkey. It serves to debug the application as well as extensions written in JavaScript.
ZNotes
Requires Restart
Save everything you like. Simple text notes and pages downloaded from the internet, rich multimedia. Store any files and contacts from your address book with notes.
Imap-ACL-Extension
Requires Restart
Extension to manage acls/permissions for shared mailboxes/folders on imap servers.
ToneQuilla
Requires Restart
Adds a new action to mail filters to allow playing a particular sound when the filter matches. Also includes several sample sound files.
For Thunderbird 78 support of sounds, please check out Filtaquilla 3.1
Trashcan
Requires Restart
Have you ever accidentally deleted an event and didn't notice? Undo is no longer available? Then this extension is for you! All deleted items are put into a special Trashcan calendar for your safety.
Year view
Ruler Bar
Subject Cleaner
Requires Restart
Remove extra strings from the subject while composing the message.
To create your own collections, you must have a Mozilla Add-ons account.
