We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Denc nañu waxtaan wii. Yónneel yeneen laaj soo soxlaa ndimbal.

How can I open an email file *.eml in firefox? Is there an email viewer plugin?

Adam H.
Adam H.
more options

Hi, I'm using Trello which is a task manager and allows you to store files which it displays with a link.

We have a set of emails for a task, and we saved each email as a *.eml file and added it to Trello. However when you click on the link in Trello, FF wants to launch Thunderbird on my desktop, and on my mobile, FF wants to download it.

Is there a preference where I can tell FF to display the email within FF? Maybe an add-on if FF can't handle email format? I couldn't find one when I searched though :(

Hi, I'm using Trello which is a task manager and allows you to store files which it displays with a link. We have a set of emails for a task, and we saved each email as a *.eml file and added it to Trello. However when you click on the link in Trello, FF wants to launch Thunderbird on my desktop, and on my mobile, FF wants to download it. Is there a preference where I can tell FF to display the email within FF? Maybe an add-on if FF can't handle email format? I couldn't find one when I searched though :(

All Replies (2)

jscher2000 - Support Volunteer
jscher2000 - Support Volunteer
  • Top 10 Contributor
more options

Hi Adam, please ignore the spam message promoting an unofficial phone number.

the-edmeister
the-edmeister
  • Moderator
more options

No. Firefox doesn't handle the *.eml file type, which is why Firefox wants to open Thunderbird if it is installed. And when Thunderbird is not installed on the operating system Firefox will ask the user how to handle that *.eml file, or will default to wanting to save that file.

Sorry, I am unaware of a WebExtension for Firefox for handling *.eml files, and I am not familiar with Trello. Perhaps a Trello support forum or knowledge base would have an answer for you.