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Add contact to CC by mentioning in body with @

Use @ to mention somebody on an email to link and add to the CC.

Rated 2 out of 5 stars (5)
375 users

Simple Startup Minimizer

This extension will minimize Thunderbird on startup, it is very simple and I didn't put much work into it but it should work on all platforms. Please let me know if you want more features added into it.

Rated 4 out of 5 stars (31)
7,950 users

Smileyfixer

Fixes smileys that show in emails created by Outlook as J.

Rated 5 out of 5 stars (4)
1,036 users

Signature sync for Gmail

This extension allows you to automatically use your signature from Gmail accounts in Thunderbird. No longer need to maintain two separated signatures!

Rated 4 out of 5 stars (9)
1,419 users

Lojban spell check dictionary

Spell check dictionary for Lojban.

Not yet rated
2 users

Safelinks Cleanup

Cleans up Outlook’s “safelinks” tracking.

Minimal code to allow for easy auditing of the add-on. The only code is:
https://github.com/Cimbali/safelinks-cleanup/blob/main/src/background.js

Not yet rated
56 users

Dysclusif

Simplifier la lecture de mails en supprimant l'écriture inclusive

Rated 5 out of 5 stars (1)
11 users

Email Address Extractor

Sender-Recipient Exporter is a Thunderbird add-on that extracts sender email addresses, sender domains, and recipient email addresses from messages in the currently selected mail folder. The data is exported as a CSV file for easy analysis.

Rated 4 out of 5 stars (1)
58 users

Huastec spell checker Requires Restart

This is a spell checker for Huastec (Tének) language. It is based on the Potosina variety.

Copyright: Jesus Carretero. University Carlos III of Madrid. Spain

Thanks to Kevin Scannell (SLU, USA)

Not yet rated
1 user

Komi (kpv) spellchecker dictionary

Komi (kpv) dictionary for spell-checking in Firefox and Thunderbird

Rated 3 out of 5 stars (2)
11 users

Udmurt spellchecker dictionary

Udmurt dictionary for spell-checking in Firefox and Thunderbird

Rated 5 out of 5 stars (1)
0 users

Chechen [Noxchi] Spell Checker

Chechen Republic [Noxchi] Spell Checker

Rated 4 out of 5 stars (1)
1 user

Interlingua - Spelling dictionary

Dictionario orthographic pro Interlingua.
Spelling dictionary for Interlingua.

Not yet rated
1 user

Črkovalnik za slovenski jezik

Spell-checking dictionary for the Slovene language
Slovar za slovenski jezik

Rated 3 out of 5 stars (2)
132 users

Changelogger

Gets changelogs for updated addons

Not yet rated
711 users

Český slovník pro kontrolu pravopisu (CC0)

Experimentální český slovník pro kontrolu pravopisu.

Not yet rated
5,014 users

TimetableForWeb

Display just previous schedule.
Update current time schedule.
Good to update future schedule too.

I thank God through Jesus Christ.

Not yet rated
9 users

Mongolian Spellchecking Dictionary

Mongolian Spellchecking Dictionary

Rated 5 out of 5 stars (49)
11 users

Open Image In New Tab

Adds a context menu item to open images in a new tab

Rated 5 out of 5 stars (6)
634 users

Open Google Voice

Opens Google Voice In A New Thunderbird Tab

Rated 4 out of 5 stars (4)
151 users