Add-ons
Miscellaneous
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ThirdStats
LightningButton
Requires Restart
Toolbar-Buttons for Lightning; advances the feature to get rid of the tabbar.
Add Signature
Requires Restart
Simply add your signature manually (right mouse click) to your emails
Xpunge
Empties the Trash and Junk folders, and compacts folders in multiple Thunderbird accounts.
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...
FileLink provider for WebDAV
Featured
Uploads your large attachments to your WebDAV account instead of sending them by email.
Display Mail User Agent T
Featured
Displays the mail program with which the selected mail was written
*This addon is compatible with Thunderbird after Web Extesnsions support. Since development and operation check are done on Daily, it may not work on normal Thunderbird.
Quicktext
Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.
DeepL Selected Text
Mail Redirect
Requires Restart
Allow to redirect (a.k.a. "remail") mail messages to other recipients.
ImportExportTools
Requires Restart
Adds some tools to import and export folders and messages
MinimizeToTray revived
IMAP Quota (Free Space)
Requires Restart
This Thunderbird addon lets you customize the IMAP quota statusbar panel.
List Addons in Windows' ProgramsTo create your own collections, you must have a Mozilla Add-ons account.
