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Message List Preview
*Show a message preview in the subject field of the message list.
*Enlarge the subject column to display more text of the preview.
*Hover over subject to see even more preview in a tooltip.
*'Stripe' display of message list for clearer view.
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,
Allday Tasks
Thunderbird lacks the ability to create and manage allday tasks. This add-on adds these capabilities.
addy.io - Easy Reach
Latgalīšu volūdys pareizraksteibys vuordineica
Biblioteka latgalīšu volūdys pareizraksteiys puorbaudei Firefox, Thunderbird, Seamonkey, Fennec
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.
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.
Thunderbird Addons Test
Requires Restart
This addon is completely defunct and merely for internal testing purposes. Don't expect it to do anything.
Minimize on Close
Causes Thunderbird's main window to minimize instead of closing. You can still close Thunderbird through the menu.
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
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
Copy Patch
Copy email content to clipboard for application as patch. Applies some filters, e.g. Outlook Safe Link unmangling, to ensure patch cleanness.
To create your own collections, you must have a Mozilla Add-ons account.
