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Restart Button
HTML Source Editor
Allows to edit the source of the currently composed message. A simple alternative to ThunderHTMLedit.
Dropbox Paper
How Does It Work?
Once you install the add-on, a new icon will appear in the Thunderbird toolbar. Simply click on the icon, and it will open the Dropbox Paper tab.
Will the Dropbox Paper Add-on Collect My Data?
Never.
CloneMessage
When composing an email, CloneMessage allows you to duplicate the current state of the email.
MoreLayouts
Adds additional Wide Thread View and Stacked View to Thunderbird along with Reversed views. Plus configurable Fullscreen F11 and Message Pane F8 toggles. Also starring Vertical Tabs.
Group Favorite Folders
An extension for Thunderbird 115+ that groups and sorts favorites folders in the compact view.
Slack - Quick Access
Quick Access to Slack in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
Seams
Seams provides some integration with Patchwork, the patch tracking system. It makes the patch state visible directly from Thunderbird. It also displays useful links to a Patchwork instance or to mail archives, and commands to apply the patch locally.
OpenAttachmentByExtension
InsertSignature
Insert signature helps you to insert usually used text by your customization.
Arcus
TuLPe
Traffic light protocol extension for Thunderbird, messages are customizable in the option page.
Thread in same folder
Runs after junk classification and filtering to make sure a newly-received message lands in the same folder as its parent in a thread.
AWO Zipper 2
Dieses addon ist eine interne Entwicklung der AWO Bonn/Rhein-Sieg. Sie sollte nur auf betriebseigenen Geräten installiert werden.
Voraussetzungen: Es müssen 7-zip und die AWOZipperNativeComponent installiert sein!
Open by Message-ID
For any 'mid', 'mailto', 'news', or 'nntp' URI in the message body that may contain a Message-ID, this adds menu items to the context menu to attempt to open the message for that ID from the message database, from a news server, or in a web browser.
Compose Responsive Images
When writing new emails, newly inserted images are made responsive by setting style="max-width:100%" and removing width/height attributes.
Check before sending email
Before sending an e-mail, a pop-up window clearly displays check items such as the destination address, body text, and attached files, prompting the sender to confirm before sending the e-mail.
Pywalfox
Dynamic theming of Thunderbird using your Pywal colors.
https://github.com/Frewacom/pywalfox
Previous ColorsTo create your own collections, you must have a Mozilla Add-ons account.
