Extensions by Name

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Move Mail Shortcuts

Allows assigning keyboard shortcuts for moving mails to folders and jumping to the folders.

Rated 4 out of 5 stars (12)
490 users

Move messages or yourself

Move messages or jump to folder with a keystroke.

Rated 4 out of 5 stars (16)
278 users

Move Search Items Requires Restart

Move the message search items to the...

Not yet rated
0 users

mozCleaner

Cleans your Firefox, Thunderbird, SeaMonkey, Fennec (unstable), Instantbird and BlueGriffon.

Rated 3 out of 5 stars (6)
6 users

Mozilla Labs - Jetpack Prototype Requires Restart

Jetpack Prototype is an experiment in making it easy to build Firefox add-ons using common web technologies.

Rated 4 out of 5 stars (27)
0 users

MozLab Requires Restart

Remote shell and test-driven development tool for Mozilla developers

Rated 3 out of 5 stars (3)
5 users

mozPod Requires Restart

Sync your address book with an iPod

Rated 4 out of 5 stars (23)
0 users

MR Tech - Gant Icon Pack Requires Restart

This icon pack is specifically designed to replace the menu icons supplied by MR Tech Local Install (should work with my MR Tech About:About 2.x & Toggle Preview Pane extensions too). As a request from Frackounet (French locale translator) I...

Rated 5 out of 5 stars (2)
0 users

MR Tech About:About Requires Restart

Adds the following "about:" options to the Help menu

Rated 3 out of 5 stars (8)
0 users

MR Tech Disable XPI Install Delay Requires Restart

Disables default delay when installing...

Rated 5 out of 5 stars (16)
0 users

MR Tech Toggle Preview Pane Requires Restart

Adds a Toggle Preview Pane button to the...

Rated 4 out of 5 stars (4)
0 users

MR Tech Toolkit Requires Restart

(Formerly Local Install) The primary goal of this extension is to provide the tools needed to install and manage extensions and themes locally and tons of other features.

Note: With Toolkit 6.0 Auto Archiving is fully working in Firefox 2.0 and temp...

Rated 4 out of 5 stars (134)
1 user

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 (65)
339 users

msofficewebapp

Adds browser action icon to toolbar to open MS Office Cloud. See https://thunderbird-essentials.thomas-bandl.de/wordpress/2020/10/04/microsoft-office-button/

Rated 5 out of 5 stars (1)
88 users

Mukparasi Requires Restart

A Korean popup dictionary based on Rikaichan
Requires the additional dictionary addon.

Rated 1 out of 5 stars (1)
1 user

Mukparasi Korean-English Dictionary File Requires Restart

A Korean-English dictionary file for Mukparasi.

Not yet rated
1 user

Multi-LDAP Requires Restart

Permits to use several LDAP directories simultaneously for address autocompletion.

Rated 4 out of 5 stars (11)
0 users

MultiLDAP2 Requires Restart

Based on TrustedBird/MiliMail work. Patched to work with lastest Thunderbird.
Permits to use several LDAP directories simultaneously for address autocompletion.

Rated 5 out of 5 stars (1)
1 user

Multimonth view

Multimonth View allows users to display multiple months in a single calendar view,

Rated 2 out of 5 stars (4)
22 users

Multiple Addon Deactivator Requires Restart

Multiple Addon Deactivator (M.A.D) is an addon that can (de)activate one, many or each addon at the same time

Rated 4 out of 5 stars (19)
2 users