Message and News Reading

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FolderFlags Requires Restart

Allows users to edit the flags Thunderbird sets on folders.

Rated 5 out of 5 stars (8)
3,212 users

Folder Account Requires Restart

Lets you associate user accounts and identities with specific folders. Great for multiple users who share TB, or for managing mailing lists.

Rated 4 out of 5 stars (52)
2,166 users

Simple Search-For Extension Requires Restart

Adds a "Search for" item to Thunderbird's context menu, like in Firefox.

Rated 5 out of 5 stars (14)
809 users

Column Reader

Web reader for wide screens and long documents. Read with pleasure in attractive layouts.

Rated 5 out of 5 stars (14)
316 users

Search for Sender Requires Restart

Adds two items to the threadpane context menu, 'Search for this sender' and 'Search for this subject'. This basically takes the sender or subject of the selected message, copies it to the QuickSearch window and starts the search.

Rated 5 out of 5 stars (22)
1,681 users

Remove Duplicate Messages (Alternate) Requires Restart

Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).

Rated 4 out of 5 stars (178)
66,031 users

Equations Requires Restart

Insert inline LaTeX equations into e-mail messages.

Rated 5 out of 5 stars (22)
5 users

Show Address Only Requires Restart

Adds columns to display Sender/Recipients mailaddress only.

Rated 4 out of 5 stars (31)
3,640 users

Quote Colors Requires Restart

Quote Colors allows you to select text and background colors of different quote levels which are applied when reading or printing mail/news messages. Additionally, you can choose between graphical and traditional plain text quoting display mode.

Rated 4 out of 5 stars (46)
5,016 users

Email Notification Randomizer Requires Restart

Extension to randomize the email notification sound. Each time an email is received, the configured email notification sound is updated from the set of wav files in the configured folder...

Rated 5 out of 5 stars (9)
9 users

Auto Zoomer Requires Restart

Keep a preset zoom level across thunderbird restarts.
Usefull on High DPI screens.

Rated 5 out of 5 stars (2)
233 users

Unified Search Requires Restart

Unify the global search box and the quick filter box in a new widget (the 'Unified Search Widget') with all filter and search capabilities at once.

Rated 4 out of 5 stars (27)
1,265 users

ThreadVis Requires Restart

Displays a small graphic visualising the context (thread) of the currently selected email.

Rated 4 out of 5 stars (111)
5,076 users

Show All Body Parts

Enable the View | Message Body As | All Body Parts message display mode.

Rated 5 out of 5 stars (19)
7,315 users

Leet Key Requires Restart

Transforms typed or static text to L337, ROT13, BASE64, HEX, URL, BIN, DES, AES, Morse code, DVORAK keyboard layout and to lower/to upper case functionality, Leet Font...

Rated 4 out of 5 stars (52)
1,878 users

ThunderLink Requires Restart

Creates links to specific messages inside Thunderbird.

Rated 4 out of 5 stars (17)
681 users

POW -- Plain Old Webserver Requires Restart

Turn the web on its head with the Plain Old Webserver (POW), which adds a server to your browser.

Rated 5 out of 5 stars (16)
9 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)
22,031 users

EditEmailSubject (Edit email Subject) Requires Restart

This module allows you to change/edit email subjects

Rated 4 out of 5 stars (39)
8,546 users

Display Mail User Agent Requires Restart

Displays icon for user agent of received mails.

Rated 4 out of 5 stars (108)
24,932 users