Add-ons
Featured Extensions
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Mail MergeThis add-on is not compatible with your version of Thunderbird because of the following:
Adblock Plus
Featured
Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
This add-on is not compatible with your version of Thunderbird because of the following:
Enigmail
Requires Restart
Featured
OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.
This add-on is not compatible with your version of Thunderbird because of the following:
CardBook
Requires Restart
Featured
A new Thunderbird address book based on the CardDAV and vCard standards.
Twitter: @CardBookAddon
Forum: https://cardbook.6660.eu/
This add-on is not compatible with your version of Thunderbird because of the following:
Mail Redirect
Requires Restart
Featured
Allow to redirect (a.k.a. "remail") mail messages to other recipients.
This add-on is not compatible with your version of Thunderbird because of the following:
CompactHeader
Requires Restart
Featured
Add symbol in header plane to switch between compact and expanded view. Options to switch between one or two lines compact view, which buttons should be displayed in header pane. For Thunderbird 36 and older use version 2.0.9 (see version history)
This add-on is not compatible with your version of Thunderbird because of the following:
To create your own collections, you must have a Mozilla Add-ons account.
