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Thunderbird

  • 2 replies
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  • Last reply by James

knightfr
knightfr
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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.

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All Replies (2)

david
david
  • Top 10 Contributor
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Here you go... [removed random unofficial link]

Modified by James

James
James
  • Top 25 Contributor
  • Moderator
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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.