Add-ons
Appearance and Customization
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Next Unread Group (Mark All Read)
Adds a Group button, marks current newsgroup or folder as read and moves to the next unread message
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.
CuteButtons
Send to Internals
Requires Restart
Provides a special button to send mail to internals. "Internals" may be company, organization, or user group and so on.
Group Favorite Folders
An extension for Thunderbird 115+ (Supernova) that groups and sorts favorites folders in the compact view.
msofficewebapp
Adds browser action icon to toolbar to open MS Office Cloud. See https://thunderbird-essentials.thomas-bandl.de/wordpress/2020/10/04/microsoft-office-button/
Highlight Unread Folders
Requires Restart
This add-on enables highlighting the account names which contain unread messages.
Compose Responsive Images
When writing new emails, newly inserted images are made responsive by setting style="max-width:100%" and removing width/height attributes.
ksbtechies
Displays latest ksbtehchies News in a popup widget
Get all the Latest ksbtehchies News headline with a single click.
Opens a popup widget with the latest news headlines.
Disable About Something
Requires Restart
Provides ability to disable "about:*" pages by the configuration.
Extensor
Quick access to add-on functions from a toolbar panel: Options, (De)Activate, Details, Home page, Review page, Donation page, Uninstall, Restart application.
Mark All Read:WE
Mark all read (Web extension) - Adds a toolbar button to mark all unread messages in current folder as read.
*Note*
This addon works much better in newer versions of Thunderbird (v91). Thunderbird's WebAPI's were very patchy in older versions.
OutlookAlike BETA
marked-lightning
Extension for Lightning: Allows the use of Markdown in Task descriptions and renders them as HTML in the TaskView.
Show All Body Parts
Requires Restart
Enable the View | Message Body As | All Body Parts message display mode.
Enhanced Date Formatter
Requires Restart
Configure the 'Date' and 'Received' columns and displayed date in the message pane using custom formats. You can even use different date formats for emails with today's date, yesterday's date, dates in the last week, or dates older than a week.
AntiLostFilter
Real sender of italian PEC
Shows real sender of italian certified emails (PEC) into the table that lists emails.
Thin Tabs
Extremely thin tabs optimized for the squared variants of Classic Theme Restorer.
Please see description for updates!
To create your own collections, you must have a Mozilla Add-ons account.
