Add-ons
My Thunderbird extensions
by Firefox user 17d065
About this Collection
10 Add-ons in this Collection
DKIM Verifier
TbSync
by John Bieling
51,796 users
TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.
Signature Switch
by Achim Seufert
55,291 users
Switch the signature on/off or choose a new one from your predefined set.
Allow HTML Temp
by Alexander Ihrig
10,742 users
Allows to have HTML temporarily enabled (and displayed) in the currently selected message by only one click. When switching to another message, it'll be shown automatically again in plain text or simple html mode (according to your settings).
FileLink Provider for Box
by Geoff Lankow
12,222 users
Uploads your large attachments to your Box instead of sending them by email.
ImportExportTools NG
by Christopher Leidigh
275,673 users
Adds tools to import/export messages and folders
EML, MBOX, HTML PDF , Plaintext Support and CSV support with indexes and file naming.
Provider for CalDAV & CardDAV
by John Bieling
16,507 users
This extension is no longer needed. Thunderbird has native CalDAV and CardDAV support.
Restart Button
Owl for Exchange
by Beonex
47,192 users
Allows you to use your Exchange and Office365 email account with Thunderbird using Outlook Web Access (OWA).
DeepL Selected Text
by Itagaki Fumihiko
11,782 users
Unofficial DeepL translate extension for Thunderbird.
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