Add-ons
Message and News Reading
-
Thunderbird Conversations
This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.
26,043 users
Most Popular See all »
-
LookOut decodes winmail.dat (TNEF encoded) files that may come from a misconfigured Microsoft Exchange server or Outlook user allowing access to the original attachments
Support: Thunderbird1,40,034 users -
Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).1,03,310 users -
Web Translate તમારા વેબ બ્રાઉઝર / થન્ડરબર્ડ માટે અનુવાદકનો ઉપયોગ કરવો સરળ છે!57,378 users -
Allows you to use your Exchange and Office365 email account with Thunderbird using Outlook Web Access (OWA).48,342 users -
PrintingTools NG enables many layout and formatting options for printing messages with header borders, sorting, attachment lists etc. PDF output can be auto named and Page options can ease printer settings.
It is your printing toolbox.26,752 users -
This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.26,043 users
Top Rated See all »
-
Word translation in tooltip with English⟷Croatian dictionary already incorporated.0 users -
Keyboard shortcuts to change folder, move/copy messages, with folder name auto-completion.724 users -
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!14,691 users -
No Message Pane Sort prevents accidental resorting of the message pane by disabling mouse button clicks on the column headers, thus, locking the sorting order of your emails.
It is still possible to sort messages by ctrl-clicking the header.4,060 users
Recently Added See all »
-
Open the current email in a browser-style tab inside Thunderbird, with inline images restored for messages Thunderbird shows as attachments.2 users -
Unknown senders are a common phishing threat. Right‑click messages to copy the sender email or domain or create filters without opening the message. Built‑in mark as junk/delete is omitted because it requires manual review.1 user
-
Analyze DMARC aggregate and forensic reports locally within Thunderbird. Visualize authentication results per domain, classify source IPs, detect threats, track DKIM/SPF/envelope alignment, and export data. Fully offline with zero network requests.1 user -
Summarize emails and refine selected text using your own AI API. Set your OpenAI-compatible endpoint and key in options; no built-in backend. Summarize when reading mail; Refine with one click in the compose toolbar, then Insert to replace the text.1 user -
A Thunderbird addon that integrates Jira directly into the email client. Supports Jira Cloud (atlassian.net) and Jira Server / Data Center (self-hosted).1 user -
Attachment Grabber extracts and saves attachments from selected emails. Configure filename patterns using variables to organize saved files automatically. Quickly collect attachments from multiple messages without opening each email.12 users
See all 526 extensions in Message and News Reading »
To create your own collections, you must have a Mozilla Add-ons account.
