About this Collection
49 Add-ons in this Collection
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.
Thunderbird email accounts connecting to Microsoft Exchange Web Services.
Quicktext by R Kent James, John Bieling, others
Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.
Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).
This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.
The "Swiss army knife" of folders. Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching. powerful + easy.
See new mail at a glance after automatic filtering - supports quickFilters addon!
Extension to mimic Outlook Express Stationery.
Allow you to use HTML files as templates for mail. Also allow custom template in replies or forwarded mail!
Extracts all attachments from selected messages and then can delete, detach or mark-read.
Associates user-defined colors with accounts and identities. Applies these colors to accounts, identities, folders, message list, message headers and compose headers. Users will always know which accounts/identities they are working with.
This Extension implements the ManageSieve protocol for securely managing Sieve Script on a remote IMAP server...
Quickly highlight some text in Thunderbird message composing windows.
This Add-on allows to have HTML temporarily allowed in the currently displayed message by only one click. When switching to another message, it'll be shown automatically again in plain text or simple html mode (if this is your default mode).
Displays a small graphic visualising the context (thread) of the currently selected email.