Add-ons
Thunderbird 3 at work
by klint
About this Collection
A bunch of addons very useful at work.
76 Add-ons in this Collection
SmartTemplates
by Realraven (Axel Grude), Marky Mark DE
3,979 users
SmartTemplates offers an easy and powerful way to automatically create customized replies by auto-inserting various mail headers. Templates can be created for every mail identity, Stationery files can now be imported and used directly.
Notepad (QuickFox)
PrintingTools
by Paolo "Kaosmos"
903 users
Adds some options to print messages and addressbooks
XNote++
by opto
16,457 users
Persistent sticky notes associated to emails. You can fulltext search with constraints/email them/print/bookmark/copy to clipboard.
If you have a large screen, you can even display the notes outside of TB's main window, so it won't hide anything.
Calendar Tweaks
by DW-dev
2,028 users
Allows several tweaks to the Thunderbird/Lightning calendar user interface including new selection styles and repeating event icons. Mimics the colors and styles found in MS Outlook.
Color Folders
Account Colors
by DW-dev
3,303 users
Associates user-defined colors with POP3/IMAP accounts and identities. Applies these colors to accounts, identities, folders, message list, message headers and compose headers. Users will always know which accounts/identities they are working with.
Expression Search / GMailUI
by wang opera
198 users
Powerful message searching through expressions. Type "from:fred to:tom" to see all messages from Fred to Tom in the current view. Support 'regular expressions' and 'click to search'.
FiltaQuilla
by R Kent James, Realraven (Axel Grude)
15,905 users
Adds many new mail filter actions - launch a file, suppress notification, remove star or tag, mark replied or unread, copy as "read", append text to subject.
United States English Spellchecker
by jooliaan
4,735 users
This dictionary is no longer maintained. Use this dictionary instead.
Auto Compress File
by TrVTrV
684 users
Compressor for attachment files. All platforms are supported (Windows, Linux and Macintosh).
Secure Addressing
by Hiroya Matsuba
93 users
This add-on provides features to avoid sending emails to wrong addresses. Key features are a confirmation window of recipient's addresses upon sending, name and affiliation look up at mail composition and main windows, and safe auto completion.
Quote Colors
by Malte Ruecker
123 users
Quote Colors allows you to select text and background colors of different quote levels which are applied when reading or printing mail/news messages. Additionally, you can choose between graphical and traditional plain text quoting display mode.
Header Tools Lite
by opto, Paolo "Kaosmos"
2,651 users
Allows to modify the header and the source of messages
Folder Pane View Switcher
by Jonathan Kamens, Arnd Issler
3,467 users
Folder view arrows; switch to "All Folders" view when hovering during drag & drop; allow user to select which views are enabled or tied to the view arrows.
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