Add-ons
Message and News Reading
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ConfirmFolderMove
Requires Restart
Introduces a preference that allows users to be prompted before moving folders.
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.
quicker quicksearch
make searching for emails faster:
Automatically insert into the quickfilter box: the author, subject or the email domain of the selected email.
No need to retype the address, if you want to search for all emails of this author.
FolderFlags
Received
Smileyfixer
Unmangle Microsoft ATP Safelinks
Users of outlook.com and o365 who have Advanced Thread Protection enabled will have all URL's in emails changed to redirect them to an Microsoft filter before opening. This is a bad idea.
This plugin will change the URL back to the original value.
FlashGot Mass Downloader
Requires Restart
Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.
Show InOut
Adds some columns to the tableview. One shows an indicator wether a mail is incoming or outgoing, other shows the sender, the recipient(s) or the correspondent(s). Columns can be shown as name only, address only or both.
Menu On Top (SuperMenu Avatar)
Requires Restart
Move the Thunderbird menu bar to the top. Choose from a selection of visual styles + colors. Add frequently used bookmarks and an avatar icon without wasting precious screen space. Bookmark your favorite sites, emails, folders or configuration pages.
Quote Colors & Collapse
Configure text and background colors of quotes in mail and news messages. From up addon version 3 (Thunderbird 91) you can collapse quotes.
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...
Darko
Quick Web Search
Requires Restart
Quick search for selection text in Web. Customized for Google, Yandex, Bing, Yahoo, AOL and Baidu.
Open In Conversation
Requires Restart
Make the default message list action be "Open Message in Conversation" when double-clicking or using the "Enter" key to open an email from the message list.
UrgentMail
Raise X11 urgent flag if new mail is received.
This addon listens for incoming mails and causes the Thunderbird window to draw attention.
Get Partial Messages
Requires Restart
Get the rest of all partially downloaded messages from server.
CompactHeader
Requires Restart
Add symbol in header plane to switch between compact and expanded view. Work only for Thunderbird 68.0 and older. Currently, there are no plans to update this for newer versions.
QuickFilter Unreplied
Requires Restart
Battered with Emails? Need to sort them out? This extension adds a button to the Quick Filter toolbar that shows only unreplied emails. The extension works instantly, just install and look at your Quick Filter toolbar.
To create your own collections, you must have a Mozilla Add-ons account.
