Up & Coming Extensions
Ask a confirm before to delete some items
Modern, nice emoji picker that you can use to find and select emojis. It will be copied to your clipboard or even directly inserted into the e-mail, when you click on it.
You will certainly like it.
It's an extension that changes the format of reply header.
You can choose between the standard Thunderbird reply header, a detailed reply header or a Customized reply header.
You can configure it in the Tools ->Add-on Preferences -> changeQuote.
Allows to modify the header and the source of messages
Copy Folder mod Requires Restart
I corresponded to thunderbird 60 or later
Open Google Chat in a Thunderbird Tab
Now you can open G Suite App in Thunderbird tabs. (Calendar, Contacts, Keep, Task and Drive)
ConfirmFolderMove Requires Restart
Introduces a preference that allows users to be prompted before moving folders.
Report any unsollicited email (SPAM, Phishing, ...) to SPAMBEE.
Get an alert if you open an email containing a URL already known as fraudulent.
All reports are anonymized, no registration is required.
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!
Auto Compress File Requires Restart
Compressor for attachment files. All platforms are supported (Windows, Linux and Macintosh).
Powerful message searching:
* Move the search box to save screen.
* Visual search query builder
* Type "f:fred fn:Vortrag" for messages from Fred, attachment name contains 'Vortrag'
* Type "t:(oo -pp)" for messages to oo, but not pp.
Check your emails for spelling and grammar issues
Display Quota Requires Restart
This extension will display the current status of your IMAP quota in thunderbird's statusbar and will warn you when you reach a configurable limit...
Message Printing Tools (NextGen)
PrintingTools NG provides numerous layout and formatting options for
printing messages with header sorting, attachment lists, borders etc.
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.
Securely encrypt and upload large attachments to any Send service instance (formerly Firefox Send).
FireTray Requires Restart
A system tray extension for Linux and Windows, allowing to set up custom icon, hiding to tray instead of closing, display the number of unread messages in mailing applications, and other features ...
(Pre-) view image and office files in attachments
* Docx, xlsx, pptx, pdf preview
* Slideshow of images
* Drag zoomed image to choose the displayed region
* Rotate image
* Flip image
* Download dialog with thumbnail of the image
Sets the spell check dictionary based on the first recipient