Des extensions pour améliorer le confort d'usage, ajouter des fonctionnalités...
Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.
Allows bidirectional access to Google Calendar
Adds some tools to import and export folders and messages
Synchronizes contacts & groups between Thunderbird or SeaMonkey and Google Contacts. Imports Facebook friends, contacts you follow on Twitter, and more.
This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.
The latest version is compatible with Thunderbird 38+ only (see below for details).
Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.
Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.
URL Link is a small Firefox and Thunderbird extension that allows you to select a non-URL in a mail/news message or web-page, and open it in a browser window.
Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).
Add symbol in header plane to switch between compact and expanded view. Options to switch between one or two lines compact view, which buttons should be displayed in header pane. For Thunderbird 36 and older use version 2.0.9 (see version history)
Extracts all attachments from selected messages and then can delete, detach or mark-read.
Add Dropbox support to Thunderbird's Filelink feature.
Google and Zimbra contact sync for Thunderbird. (TB 24 and above NOT supported)