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Reply with subaddress
Reply to a message that was sent to a subaddess with the same address.
Example: Your primary email is tim@mymail.tld, you receive a mail to the subaddress tim+mailinglists@mymail.tld, the sender of replies is set to tim+mailinglists@mymail.tld.
Additional Info for Simplelogin
For e-mails forwarded by Simplelogin, a pop-up displays the original sender of the e-mail, as well as the alias that the e-mail was sent to and the address that it was forwarded to.
CT Cornish Spell-Checker - SWF
This is a spell-checker for the Cornish language in the Standard Written Form.
DMS HEADERS EXTRACTOR
An extension that help you to extract any header parameter of emails that exist in any selected folder or account or just all the accounts on your thunderbird by only precising it in the popup input
Multimonth view
Multimonth View allows users to display multiple months in a single calendar view,
Birdbox
AI Mail Support
Add-on designed to enhance email management for both personal and professional use, integrating a set of adanced AI (LLM) features to optimize the email management experience.
Allday Tasks
Thunderbird lacks the ability to create and manage allday tasks. This add-on adds these capabilities.
addy.io - Easy Reach
AddAccents
This extension allows you to easily insert accented characters as you type in firefox or thunderbird. It is similar to abctajpu (no longer supported). With the default settings, simply press "e" followed by "\" to insert "é" "a\" to insert "à" etc...
Chichewa Spell Check
This is a real time Chichewa Spell Checker (Malawi) supported on Firefox, Thunderbird, and Seamonkey.
Latgalīšu volūdys pareizraksteibys vuordineica
Biblioteka latgalīšu volūdys pareizraksteiys puorbaudei Firefox, Thunderbird, Seamonkey, Fennec
Dictionary of Spanish / Nicaragua
Dictionary of Terms of Nicaragua, Spanish dictionary based internaconal, adding support on behalf of cities and fruits, animals, plants, references, local echos and terms accepted by RAE.
Venetan
Venetan spellchecker for Firefox, Thunderbird, and SeaMonkey using the spelling of Mauro Trevisan.
To enable, right-click in a multi-line text box, select "Check Spelling", then select "Languages" and then "venetan".
Tagalog/Filipino Dictionary
A Tagalog/Filipino Dictionary (tl) for Pale Moon, Firefox, Thunderbird, and SeaMonkey.
M-Hub Lite
Add Microsoft Office 365 Tabs to Thunderbird! Services supported by M-Hub Lite: Calendar, People, OneDrive, Word, Excel, PowerPoint, & Bing. Need business or enterprise support? Get M-Hub Pro: https://www.schiffner.com/software/m-hub-pro
Minimize on Close
Causes Thunderbird's main window to minimize instead of closing. You can still close Thunderbird through the menu.
Thunderbird TodoistTo create your own collections, you must have a Mozilla Add-ons account.
