Up & Coming Extensions

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Keep in Taskbar Requires Restart

A simple plugin that makes the Close button behave exactly like the Minimize one.

Rated 5 out of 5 stars (14)
584 users

LocalFolder Requires Restart

Add as many local folders as you want to.
New folders can reside on mapped or network locations.

Works with both TB60 through TB65

Rated 4 out of 5 stars (18)
1,822 users

Address bulk copy (アドレス一括コピー) Requires Restart

Thunderbird は Outlook のようにアドレス全選択からの「一括コピー」ができません。
それを実現するためのアドオンです。

Rated 5 out of 5 stars (6)
620 users

Open Google Calendar

Adds the Google Calendar web interface in a new Thunderbird tab. Creating and viewing events works like in a browser (Firefox, Chrome, ...)

Rated 4 out of 5 stars (14)
7,368 users

Multi-LDAP Requires Restart

Permits to use several LDAP directories simultaneously for address autocompletion.

Rated 4 out of 5 stars (11)
920 users

Search as list Requires Restart

Search results appear as list (as per the "Open email as list" button).
- return to facet view with shift+close [x]
- auto open list view when few results found
- column config./sort/toggle [IMG3&4]
- apply columns to search as list menu [IMG5]

Rated 5 out of 5 stars (47)
2,474 users

Provider for CalDAV & CardDAV

This extension adds support for CalDAV & CardDAV accounts to the Thunderbird Sync manager "TbSync".

Rated 5 out of 5 stars (4)
5,295 users

P7MON Requires Restart

Abilita la gestione alternativa degli allegati P7M

Rated 5 out of 5 stars (1)
7,018 users

Provider for Exchange ActiveSync

Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync

Rated 5 out of 5 stars (2)
8,884 users

AddressBook in Tab Requires Restart

Adds a button that can be put in toolbars which opens the addressbook in a new tab like pastismans AddressBookTab

Rated 4 out of 5 stars (10)
10,014 users

GPO support For Firefox and Thunderbird

For work with new versions, use autoconfiguration module https://mozillagpo.sourceforge.io/
Firefox and Thunderbird extension to manage user preferences and user profile CA certificates using group policy

Rated 4 out of 5 stars (13)
2,185 users

Awesome ldapInfoShow

Show contact photo and other info from Local Dir, Addressbook, LDAP, Facebook, LinkedIn, Flickr, Gravatar etc

Rated 4 out of 5 stars (10)
1,730 users

WarnAttachment Requires Restart

WarnAttachment shows an additional dialog to confirm potentially dangerous attachments. Some attachments like executables etc. are completely blocked. This reduces the risk of malware especially for inexperienced users.

Rated 5 out of 5 stars (3)
934 users

ThunderPEC Requires Restart

ThunderPEC semplifica la gestione della Posta Elettronica Certificata (PEC) e delle comunicazioni PCT e FatturaPA in Thunderbird.

Rated 5 out of 5 stars (11)
24,651 users

LookOut (fix version) Requires Restart

LookOut is a plugin which allows Thunderbird to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).
Support: Thunderbird and SeaMonkey

Rated 4 out of 5 stars (29)
94,292 users

Emoji Menu Requires Restart

Adds the ability to easily insert emojis into your composed messages in Thunderbird.

Rated 4 out of 5 stars (11)
4,912 users

Simple Locale Switcher Requires Restart

An easier management of the user interface language

Rated 5 out of 5 stars (14)
2,534 users

MRC Compose Requires Restart

Remplace la liste d'adresses par les champs standards (Pour, Copie à, Copie cachée à) avec l'autocomplétion.
Provides standards fields (TO, CC, BCC) with autocomplete to Thunderbird's compose pane.
For bug reports, please use support email.

Rated 4 out of 5 stars (51)
2,047 users

AttachExtraTools Requires Restart

This extension gives more options and tools to attach files from compose window.

Rated 4 out of 5 stars (10)
992 users

TbSync

TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.

Rated 5 out of 5 stars (51)
17,081 users