This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

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

This thread was archived. Əgər kömək lazımdırsa lütfən yeni sual verin.

Thunderbird

  • 2 cavab
  • 1 has this problem
  • 1 view
  • Last reply by James

knightfr
knightfr
more options

I downloaded Thunderbird application to my Mac, but it said it would not work on my version of OS (10.11.6). Is there a version of Thunderbird that will work on my Mac? My computer is old enough that I cannot upgrade to a later OS.

Thank you, Michael

I downloaded Thunderbird application to my Mac, but it said it would not work on my version of OS (10.11.6). Is there a version of Thunderbird that will work on my Mac? My computer is old enough that I cannot upgrade to a later OS. Thank you, Michael

Chosen solution

Thunderbird 78.14.0 was the last to support macOS 10.11 (ten.eleven) as Thunderbird 91.0 requires macOS 10.12 (ten.twelve) at minimum.

https://www.thunderbird.net/thunderbird/78.14.0/system-requirements/ https://www.thunderbird.net/thunderbird/91.0/system-requirements/

You can get Tb 78.14.0 at https://archive.mozilla.org/pub/thunderbird/releases/78.14.0/mac/en-US/ and other locales are at https://archive.mozilla.org/pub/thunderbird/releases/78.14.0/mac/

As for Firefox the last version to run on macOS 10.11 (ten.eleven) was Fx 78.15.0esr as Fx 79.0 and later requires macOS 10.12 (ten.twelve) at minimum including Fx 91.0 ESR and Fx 96.0 Release.

Read this answer in context 👍 0

All Replies (2)

david
david
  • Top 10 Contributor
more options

Here you go... [removed random unofficial link]

Modified by James

James
James
  • Top 25 Contributor
  • Moderator
more options

Seçilmiş Həll

Thunderbird 78.14.0 was the last to support macOS 10.11 (ten.eleven) as Thunderbird 91.0 requires macOS 10.12 (ten.twelve) at minimum.

https://www.thunderbird.net/thunderbird/78.14.0/system-requirements/ https://www.thunderbird.net/thunderbird/91.0/system-requirements/

You can get Tb 78.14.0 at https://archive.mozilla.org/pub/thunderbird/releases/78.14.0/mac/en-US/ and other locales are at https://archive.mozilla.org/pub/thunderbird/releases/78.14.0/mac/

As for Firefox the last version to run on macOS 10.11 (ten.eleven) was Fx 78.15.0esr as Fx 79.0 and later requires macOS 10.12 (ten.twelve) at minimum including Fx 91.0 ESR and Fx 96.0 Release.