Most Popular Extensions
Provides the ability to start writing a template-derived letter directly from within the address book. Supports also multiple recipients. Supports only TeX and similar systems at the moment.
For a long time, Thunderbird has supported ignoring threads in newsgroups. This is a prototype that explores bringing that functionality to email.
Extension to randomize the email notification sound. Each time an email is received, the configured email notification sound is updated from the set of wav files in the configured folder...
This extension switches your themes at random.
When moving from Outlook, I was missing the function to scroll to a message in the active folder by entering a letter or short strings. I am also still missing the possibility to first sort descending by date and then keep that sort order when...
Allows you to easily tell Thunderbird to check multiple folders for messages
Open all http(s) links in an e-mail message with a single click...
YELP SEARCH TOOLBAR, NOW IT MORE EASY TO REVIEW & TALK ABOUT WHAT'S GREAT - AND NOT SO GREAT - IN YOUR AREA
ExtendIMAPFilters No Restart
This addon extends filtering to read messages downloaded during an IMAP synchronization (bug 308148)
The addon modifies the mail.imap.min_chunk_size_threshold preference value by setting it to 100000000.
It is a workaroud to bug 1216951
Add ~okeanos support to Thunderbird's Filelink feature.
Identifies and displays the status of pending and received notifications (DSN, MDN) for messages sent with notification requests. To get full experience with this addon, don't forget to use DSN settings and MDN extended addons too.
Email organized around the people you care about.
Plugin to get around the Washtenaw County Facebook block.
You can now autosave messages from TB upon...
Sends text selection or current web page URL to MyInfo.