Add-ons
Message and News Reading
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Account Colors
Requires Restart
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.
Address Cleaner Replying
Requires Restart
メッセージ返信時に宛先に含まれる表示名を除去します。
A display name is erased when an e-mail screen is opened.
Adhiyan
Requires Restart
Adhiyan is a tool to convert and view TSCII/TUNE/TAB/TAM/DailyThanthi/Dinamani/Chenet/Kambar encoded Tamil content to UNICODE Tamil.
Advanced Unread Folders
Requires Restart
Adds a folder view showing unread folders, including their hierarchy. This is helpful if you have a lot of folders to make sure you don't miss an email, or if you are not happy with the existing unread folders view.
All mail from all accounts
Requires Restart
Add a toolbar button to send and receive all mail from all accounts for Leopard theme.
Allow HTML Temp
Requires Restart
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).
Alphanumerator
Requires Restart
Convert alphanumeric phone numbers to just numbers. Simply highlight the text, right-click it, and click "Alphanumerate". For example, 1-800-PICK-UPS would be converted to...
Any key
Requires Restart
Allows typing into phonetic Russian, Ukrainian, Amharic, Arabic, Armenian, Hindi Davangari, Hebrew, Mongolian, greek... transforming translit into the choosen language...
Archive This
Requires Restart
Provides keyboard shortcuts for filing messages into nine configurable "favorite" folders using user-defined keys. Also provides a simple filter system with a keyboard shortcut to file the currently selected message(s) into the correct folder.
Archived Link
Requires Restart
Archived Link displays the URL of the Archived-At email message header field (RFC-5064) as a hyperlink.
Archived-At
Requires Restart
Add menu items for copying Archived-At (RFC 5064) URLs from emails
arXiv
Requires Restart
Adds direct links to the article PDF and BibTeX information to arXiv email listings. BibTeX information can be used in reference managers such as JabRef by Copy & Paste.
attachment column in search result list
Requires Restart
Show the column for attachments in search results list. General search (edit-> search -> search emails) does not show by default if a message has attachments.
This addon adds this column, just as in a normal folder view.
Attachment Manager
Requires Restart
An extension to manage attachments across multiple emails.
Attachment Reminder
Requires Restart
Prompts you if it looks like you wanted to attach a file but didn't.
AttachmentExtractor
Requires Restart
**This add-on doesn't work at all on new (60+) versions of Thunderbird.**
It's not worked fully for many years and development has long ago stopped on it.
Auto Select Latest Message (restartless)
Automatically select and display latest message from the list on startup or when switching folder for the first time.
Auto Zip Attachments
Requires Restart
Auto Zip Attachments allows you to easily compress (zip) attachments.
To create your own collections, you must have a Mozilla Add-ons account.
