Thunderbird コミュニティフォーラム

I signed up for Thunderbird. Again. I've been a user for 20+ years. for the last month, I kept getting a message saying it needed a password from/for yahoo. I was stuck.....I didn't know the password and could not get rid of that message, and I couldn't open Thunderbird

So I uninstalled Thunderbird, and just minutes ago tried to reinstall. I got to the donation page, donated, but I never got Thunderbird. I cant get mail from Thunderbird. In fact, I'm not sure it's even installed. Can you help me?

Steve Tilton 847-902-5050 PS.....don't email me, as I don't have Thunderbird installed, thus no email. If you must email...please send it to : srt1002@gmail.com

Recently I moved from a Thinkpad X1Yoga running Mint and Windows 10 to a Thinkpad P14s running Kubuntu and Windows 11 Pro 25H2. On the Win11 side (which behaves differently from Win10), there are installation issues affecting both Firefox and Thunderbird.

Win 11 Settings lists: under Apps > Installed apps

• . . . (other apps)
• Mozilla Firefox (x64 en-US) 154.0
• Mozilla Maintenance Service 153.0
• Mozilla Thunderbird (x64 en-US) 153.0.2
• . . . (other apps)

under Apps > Default apps

• . . . (other apps)
• Firefox
• Firefox
• . . . (other apps)

That is, Default apps lists Firefox twice (though not as "Mozilla Firefox"), but Thunderbird not at all. This causes two problems:

1. It's not clear which Firefox to choose for browser protocols.
2. There is no Thunderbird to choose for mail-related protocols,

Can someone tell me why the Installed apps and Default apps list differ, and how to set the appropriate defaults for Firefox and Thunderbird?

Thanks, John

Hello; I have been using Mozilla Thunderbird for many years on my PC and was wondering if I can start using my account on my Ipad or Iphone as yet?

          Regards
                           Mike Folley

1. Where can I find the release notes for Thunderbird versions?

2. I mistakenly installed v148.0 from the release channel, when I really want the ESR version. This article says, " "Still unsure which channel to use? Start with the Thunderbird Release channel. You can always switch later if your needs change." and this thread says that one can perform the necessary downgrade by simply deleting the compatiblity.ini file from the profile folder. However, the current release channel version (149) and the version I have installed (148.0.1) are far ahead of the ESR version (140.8.1). I have already configured 8 IMAP accounts and 4 add-ons and would like to retain my existing profile. Can I simply downgrade by deleting the compatiblity.ini file from the profile folder or do I risk data corruption due to changes to the data structures? Can I simply install ESR 140.8.1 over 148.0.1 or do I first need to uninstall 148.0.1?

Athough you advertise Thunderbird as a free product, your website does not allow me to download it unless I first pay. I am unwilling to pay until I have been able to test the product and verify that it will do what I need it to do.