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Seturgent Requires Restart

Sets the urgent flag (X11) of the Thunderbird window under Linux in case of new messages. Does ignore special folders like Drafts, Junk and such.

Rated 5 out of 5 stars (2)
1 user

Shift Box Requires Restart

Replay your INBOX!

Not yet rated
0 users

Show Address Requires Restart

Shows the Sender/Recipient Mailaddress in the Mail List. Normaly, only the Name is displayed, which is wrong on most Spam Mails. Now you also can clearly see which of your Mail Addresses was used, extremly usefull if you are using a chatch-all...

Rated 4 out of 5 stars (22)
0 users

Show Address Only Requires Restart

Adds columns to display Sender/Recipients mailaddress only.

Rated 4 out of 5 stars (55)
1,371 users

Show All Body Parts Requires Restart

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

Rated 4 out of 5 stars (22)
203 users

Show InOut

Adds two columns to the list of mails. One shows an indicator wether a mail is incoming or outgoing, the other shows the sender or the recipient of the mail respectively...

Rated 5 out of 5 stars (40)
179 users

Show Outlook Appointments (vcal / ics) Requires Restart

An extension to show embedded Outlook calendar (vcal / ics) parts.

Thunderbird doesn't show calendar parts from Outlook appointment emails. This addon adds a button to download the embedded appointment as ICS to import it into another calendar.

Rated 3 out of 5 stars (4)
29 users

ShowContactFoto

Displays the contact photo/image/picture of the sender/recipients while reading/composing message.
Images are taken from local image files or Address Book (see addon's options page).

Rated 4 out of 5 stars (1)
44 users

Signal Spam

Add simple functions to report spams or phishing to Signal Spam by one click.
The add-on will also alert you if you open a fraudulent e-mail (phishing).

Rated 3 out of 5 stars (163)
16,361 users

Signature Requires Restart

insert custom text into posts and emails...

Rated 4 out of 5 stars (73)
4 users

Signature /Auto Paste /Prefill Fourms Requires Restart

Makes everyday entries to forms & forums simpler!
Add a sig. with just a Rclick of the mouse and select 'Add Sig.' from the context menu.
(Please, note: What you see in the pic is only an example. ThoseRMine Sorry, you have to make your own tabs. )

Rated 4 out of 5 stars (30)
44 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 (6)
1,184 users

Simple HT Jumper Requires Restart

A temporal simple jumper of HTML and Plan TEXT view mode on showing messages and replying messages for Thunderbird without changing the default setting.

Rated 5 out of 5 stars (16)
5 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)
10 users

SJCall Requires Restart

SJCall is a beta version of a VoIP extension enabling you to place telephone calls directly from the Mozilla applications using SJphone, the world-leading Internet softphone...

Rated 4 out of 5 stars (3)
0 users

Skyrock by RaouF Requires Restart

Blogs, profils, rencontres, groupes,photos,.. Avec Skyrock.

Not yet rated
1 user

Slideshow Requires Restart

Displays a slideshow of picture attachments. When email has attached pictures, it displays "View as Slideshow" button next to the attachment. Button click pops a slideshow window with all the images, allowing you to zoom in/out, save...

Rated 5 out of 5 stars (71)
132 users

Smart Folders For Single Account

Adds smart folders (unified folders) for single account.
By default smart folders available only for two and more accounts.

Rated 5 out of 5 stars (3)
1 user

SmartSave Thunderbird Extension Requires Restart

Now you can export your messages in a smarter way! You can export all folders and subfolder esaily from your local folder or from your IMAP...

Rated 3 out of 5 stars (108)
0 users

Smileyfixer

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

Rated 5 out of 5 stars (4)
941 users