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I have used version 145 of Thunderbird "all my life". Until the other day when I installed version 146. I realize of course that development changes things, but I would like to inform you that a 93-year-old has neither the patience, energy or interest in learning the new Thunderbird. I therefore wish that someone would be so kind and send me the installation file for the previous version. (Unfortunately, my own one is in a computer that I no longer own.) Furthermore, I donated 194 SEK on December 26th when I downloaded the program. (And it wasn't the first time.) In summary: I would like to get the installation file for the previous version (for Win11, 64 bit). Best regards Hans Peter Wiehen

I thought I had successful auto install W-10 but when I open to send 1st message the"+ new message" button is not active/working. Per article this is how to start. Thanks for help.

I have deleted Thunderbird and the associated profile folder. Downloaded Thunderbird from the Mozilla site but it still installs with old information. I'm trying to get the info from an old computer onto a new one but following the directions to do this still doesn't give me the info from the old computer. Not tremendously tech savvy so would hope to get clear directions on what I may be doing wrong and how to fix it? Gone through what I can find here but nothing has helped. Windows 11 OS on both computers.

When I charge what is supposed to be Thunderbird 115.18 for mac os 15.10.7 on the site of all the versions, I only get Thunderbird 147 for mac and it doesn't work correctly as my messages desappear. Where can I really find the dmg I need that is to say: Thunderbird 115.18 for mac (and not the 147).

I would like to delete Thunderbird completely from my accout and then re-install fresh. However none of the answers I have found tell me where to start to delete it from my profile.

The online info is inaccurate as it pre-supposes a certain knowledge as to what is to be found where. I cannot follow that.

What is the latest version of Thunderbird ESR for Mac OS 10.13?

Firefox ESR 115 for has been extended for High Sierra and I was wondering if Thunderbird ESR will do the same.

I have a 2011 iMac that is MAXED out at High Sierra so I can't use the current ESR version as it requires MacOS 10.15 Catalina.

I using Win 10 and Thunderbird update 140.

I am unable to download or open messages, except those in folders. Seems to be file access or network errors, although my internet connection is fine and Thunderbird shows I am online. Problem happened after I did an Inbox repair. I have thousands of old messages and wondering if that is the problem.

It stopped downloading messages after about 5000, the latest in my Inbox being from 2020--but when I click on one it says "loading" email (or content), but it never loads, is just blank.

Is it safe or advisable to uninstall and reinstall Thunderbird? Will it pick up my old profile, settings, folders, etc? Or will I have to reconfigure everything?

My mail is stored on Comcast and I have at least 25,000 emails.

Thanks for any help Richard

Hello all!

I've started having an issue in the last few days, with apparently two separate Firefox installs. A few days ago I was greeted by a fresh, blank install of Firefox and had to set everything up and sign in as I usually would on a fresh system install. Today, however, I somehow managed to launch both of them at once (I don't know how, as I just use the UI shortcut). After closing both fully, I can now only start the "old" one via the shortcut.

OS: Bluefin / Fedora 42.20, Gnome 48.6

According to the list of flatpaks, only one is installed. Unfortunately that's roughly where my knowledge of Linux ends, so I can't troubleshoot this further. Help will be apprecciated, as I don't want to roll a die on which of these will start up every time I reboot.

I noticed when I went to check for updates the Fire Fox Browser is, Windows MSIX Package Mozilla, MSIX 1.0 143.0.1 (64 bit). What is this and why? Do I need to uninstall this version of Fire Fox and reinstall a new one? If so, how do I do that without loosing all my data. Thanks for your help!

Jon Spears

Hello,

I failed to install Thunderbird 147.0.dmg on my Mac operating under High Sierrra version 10.13.6. I am getting an error message that the file is damaged when I try to execute it.

I am interested to switch to Thunderbird as an alternative to Mail. Would anybody has a solution ? Which older version of Thunderbird would work with my OS ?

Thanks in advance for your help.

When attempting install firefox on linux using the recommended install method (in order to use 1password fully i cannot install it via snap) the priority does not change from 500 to 1000 using the parameters described in the install guide. Here is an image showing my issue.

Just bought a Chromebook and was surprised to find that only the phone version of Firefox is available for use on Chrome laptops. Any timeline for a laptop version of Firefox for Chrome?

I think when Mozilla was formed, it received all the assets of the former Netscape Communications corp, yes?

I tinker with some VMs running vintage OSes, including DOS+Win 3.1, and Linux distro releases from the 90's and early 2000's. I'd like to, for example install Netscape 1.x or 2.x on Win 3.1 and Debian Hamm 2.0.

I am wondering if Mozilla has a download archive somewhere with historic releases like Netscape 1.x through 4.x for all platform for which builds were originally released?