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Allday Tasks
Thunderbird lacks the ability to create and manage allday tasks. This add-on adds these capabilities.
Chichewa Spell Check
This is a real time Chichewa Spell Checker (Malawi) supported on Firefox, Thunderbird, and Seamonkey.
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.
Latgalīšu volūdys pareizraksteibys vuordineica
Biblioteka latgalīšu volūdys pareizraksteiys puorbaudei Firefox, Thunderbird, Seamonkey, Fennec
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.
UrgentMail
Raise X11 urgent flag if new mail is received.
This addon listens for incoming mails and causes the Thunderbird window to draw attention.
Birthday Calendar
Copy Patch
Copy email content to clipboard for application as patch. Applies some filters, e.g. Outlook Safe Link unmangling, to ensure patch cleanness.
tbkeys-lite
Custom Thunderbird keybindings
This add-on is a follow on to Keyconfig which is no longer supported.
It is aimed at power users. Please look at the GitHub site before leaving a one star review about documentation or usability.
KeepRunning
Once you close Thunderbird you will no longer be able to see your new emails. This plugin keeps Thunderbird active in the background, meaning you can still receive your new emails after closing the app. Use this when the app is in the startup.
Unsubscribe
ThirdStats
Copy Address
Expand mailing lists
Adds an 'expand lists' button to the compose window. It replaces all mailing lists with their contacts.
Add to Mailing listTo create your own collections, you must have a Mozilla Add-ons account.
