Up & Coming Extensions

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Attachment Extractor

Extract attachments from selected e-mails!

Instructions:
1. Select one or more messages
2. Right click and choose Attachment Extractor
3. Select a template for filenames and target folder
4. Choose to either delete attachments or not
5. Done

Rated 3 out of 5 stars (35)
2,305 users

CategoryManager

Category manager for Thunderbird contacts, also allows to send an email to all members of a category (categories can be used as contact groups).

Rated 4 out of 5 stars (24)
4,771 users

Attach from Clipboard

Create file attachments directly from the system clipboard.

Rated 4 out of 5 stars (23)
5,756 users

ReplyWithHeader

Outlook style headers and few goodies for Thunderbird.

Rated 5 out of 5 stars (68)
10,981 users

Minimize on startup

Minimize thunderbird window on startup!

Rated 3 out of 5 stars (3)
959 users

WhatsApp Web in Thunderbird

Open WhatsApp Web in Thunderbird

Rated 4 out of 5 stars (5)
1,564 users

Attachment Viewer: Images/Office-files, slideshow

(Pre-) view image and office files in attachments

* Docx, xlsx, pptx, pdf preview
* Slideshow of images
* Zoom
* Drag zoomed image to choose the displayed region
* Rotate image
* Flip image
* Download dialog with thumbnail of the image

Rated 5 out of 5 stars (12)
4,146 users

Outlook Address Book Enabler

Enables the Outlook address book in Thunderbird.

Rated 4 out of 5 stars (1)
948 users

Stationery Requires Restart

Extension to mimic Outlook Express Stationery.
Allow you to use HTML files as templates for mail. Also allow custom template in replies or forwarded mail!

Rated 4 out of 5 stars (166)
1,759 users

Google Chat Tab

Open Google Chat in a Thunderbird Tab

Rated 4 out of 5 stars (5)
1,346 users

Dictionary for recipient

Sets the spell check dictionary based on the first recipient

Rated 4 out of 5 stars (3)
6,638 users

AutoarchiveReloaded Featured

Automatically archives old mails (Improved version of the orginal Autoarchive Add-on)

Rated 4 out of 5 stars (21)
19,944 users

PrintingTools NG

Message Printing Tools (NextGen)

PrintingTools NG provides numerous layout and formatting options for
printing messages with header sorting, attachment lists, borders etc.

Rated 5 out of 5 stars (30)
18,718 users

Set Default Columns Requires Restart

Provides ability to set default visibility of columns in the thread pane.

Rated 4 out of 5 stars (3)
2,361 users

Auto Password Registerer Requires Restart

Registers given passwords to Firefox/Thunderbird's password manager automatically.

Rated 5 out of 5 stars (2)
2,333 users

Mail Redirect Requires Restart

Allow to redirect (a.k.a. "remail") mail messages to other recipients.

Rated 4 out of 5 stars (144)
4,283 users

globalChrome.css Requires Restart

Provides global user stylesheet.

Not yet rated
2,333 users

Grammar and Spell Checker — LanguageTool

Check your emails for spelling and grammar issues

Rated 4 out of 5 stars (24)
35,743 users

Typical Reply Requires Restart

Provides ability to send/receive typical replies in a team.Provides ability to send/receive typical replies in a team.

Not yet rated
2,349 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 (43)
31,841 users