Add-ons
Miscellaneous
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FlatStyle for Thunderbird
Requires Restart
This gives you a style similar to MS Office XP in your Thunderbird menus and toolbars, and Calendar as well if you have that installed. It also changes the category-selector in the options window to use your system colors, instead of always being...
Display Quota
Requires Restart
This extension will display the current status of your IMAP quota in thunderbird's statusbar and will warn you when you reach a configurable limit...
TB QuickMove Extension
Requires Restart
You can now move (or copy ) messages to common folders quickly...
TB Header Tools Extension
Requires Restart
You can now modify the header detail of messages...
compactfolder
Requires Restart
A toolbar button for compacting/purging the currently-viewed...
UMTools
Requires Restart
Add new options to TB's Unsent Messages behavior.. ...
TB Change From and Fcc on Compose Extension
Requires Restart
You can now temporarily change the from and fcc on...
SendTools
Requires Restart
Add SendAt option to the compose window to allow sending a message on a particular date and...
TB Reset Quote Header Extension
Requires Restart
You can now modify the look of the quote header on replies. Quote header templates are included in the xpi ( open the xpi with a archive program like winzip and extract the two txt files) Then, in the extension's options page, type the word...
Move Search Items
Requires Restart
Move the message search items to the...
Fix Tb Titlebar Extension
Requires Restart
You can now modify the Titlebar of TB's main...
Edit HTML Source
Requires Restart
You can now edit the HTML source in the Compose...
Tb AutoSave Extension
Requires Restart
You can now autosave messages from TB upon...
Preferential (New GUID)
Requires Restart
Advanced preferences manager for Mozilla-based...
Quicktext
Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.
traduku
Requires Restart
Translate text from English and other languages into Esperanto.
Traduku tekston de la angla kaj aliaj lingvoj al Esperanto.
Uses/uzas https://lingvo.org/traduku (try as side bar/provu kiel flankfenestro).
accountex
Mail Redirect
Requires Restart
Allow to redirect (a.k.a. "remail") mail messages to other recipients.
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