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WarnAttachment

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 (10)
2,833 users

Archive This Requires Restart

Provides keyboard shortcuts for filing messages into nine configurable "favorite" folders using user-defined keys. Also provides a simple filter system with a keyboard shortcut to file the currently selected message(s) into the correct folder.

Rated 5 out of 5 stars (59)
51 users

Encrypt if possible Requires Restart

Sets message security option "encrypt message", if valid X509 certificates are found for all recipients.

Rated 5 out of 5 stars (23)
283 users

One-by-One Forward Requires Restart

Highlight multiple emails, right-click, then select "One-by-One Forward". This extension will allow you to forward the selected emails, one-by-one, to the recipients you specify using your choice of attachment handling.

Rated 3 out of 5 stars (9)
136 users

ThunderStats! Your Thunderbird Statistics! Requires Restart

Do you remember the old good Eudora statistics? Do you miss them?
Using this addon you can finally keep an eye on how you use your beloved Thunderbird!

Rated 4 out of 5 stars (14)
375 users

Menu Filter Requires Restart

Keep your menus in check by filtering out items you never use.

Rated 4 out of 5 stars (55)
113 users

Mark All Read Button Requires Restart

Adds toolbar buttons to Mark All emails as Read, Mark Thread as Read, and Goto Next Unread Thread.

Rated 4 out of 5 stars (52)
613 users

QuoteCollapse Requires Restart

Collapse and expand quotes.

Contributors: Stanimir Stamenkov, Dillinger

Rated 4 out of 5 stars (32)
1,102 users

Zoiper Thunderbird Plugin Requires Restart

It allows you to make calls via Zoiper from Mozilla Thunderbird.

Rated 2 out of 5 stars (3)
24 users

Show Address Only Requires Restart

Adds columns to display Sender/Recipients mailaddress only.

Rated 4 out of 5 stars (55)
1,288 users

Opacus SugarCRM 6.2+ Thunderbird Integration Pro Requires Restart

SugarCRM 6.2.0-8.x/SuiteCRM 7.x Integration for Thunderbird

Enables archiving of emails into SugarCRM and SuiteCRM from Thunderbird. Requires a purchased license key (you can request a trial from within the extension).

Rated 3 out of 5 stars (6)
63 users

Opacus SugarCRM/SuiteCRM Thunderbird Extension Requires Restart

Enables the archiving of emails into SugarCRM/SuiteCRM from Thunderbird 3 and above.

Rated 3 out of 5 stars (14)
180 users

TORPEDO - TOoltip-poweRed Phishing Email DetectiOn

TORPEDO ist ein Tool zum Erkennen von betrügerischen Links (Phishing). Bewegen Sie die Maus über einen Link in einer Email. TORPEDO zeigt Ihnen die tatsächliche Webadresse in einem Tooltip an und hilft Ihnen, diese zu untersuchen.

Rated 5 out of 5 stars (9)
1,362 users

TracEmail Requires Restart

A tool to raise awareness on email privacy. Visualizes the estimation of the path of your email messages on an interactive map. You can see which countries might have taken a copy of the message.

Rated 4 out of 5 stars (2)
4 users

Auto Save Drafts Folders Requires Restart

Allows auto saved drafts to be stored in a separate folder from purposely saved drafts.

Rated 5 out of 5 stars (10)
16 users

Stop Ignoring Reply:To Requires Restart

Default "Reply" functionality pays attention to "Reply-To" in original email

Rated 5 out of 5 stars (12)
93 users

Zombie Keys (Multilanguage Keyboard) Requires Restart

Enter accents, diacritics, diaeresis, umlauts, ligatures etc. with keyboards of various countries (us,uk,ie,fr,it,ru,de,sv) - via easy to remember shortcuts or menu. Also supports all textboxes of the application (such as search, filters).

Rated 5 out of 5 stars (25)
22 users

FolderFlags

Allows users to edit the flags Thunderbird sets on folders.

Rated 5 out of 5 stars (24)
3,331 users

Security Settings from Address Book Requires Restart

Sets message security (sign/encrypt) when sending or saving messages based on recipients' address book entry's field "Custom1".

Rated 5 out of 5 stars (2)
63 users

PathExplorer Requires Restart

Adds "Open PATH with Explorer" to the message pane's right-click menu.

Not yet rated
198 users