Windows 10 Not Able To Change System Default Program

[denial]

Hello all, I wanted to change the system default mail program to Thunderbird.

I went to settings > default programs and then when I clicked Mail app the only option I got was to choose from some web browsers and... "SEARCH IN MICROSOFT STORE". There was no option to choose an app from my disc.

What's worse the same was for any other app in default programs. The "choose from disc" option disappeared. I can choose from some - very limited - options or search in Microsoft store ONLY.

I can't guess what moroon thought that he has the right to mess IN MY OWN COMPUTER and limit MY OWN FREEDOM to choose what I want to use as a default app.
This generally should be punished somehow, but for now, I'm asking you for help.

How to show this option - choose from disc - in windows default programs again?

I know there is workaround for file types by right clicking a file type and then choosing an app from disc, but for default, mail to open for example mail addresses from the web it won't work. So Please help.

In Thunderbird 91 also there is no such option to SET THE APP AS A DEFAULT MAIL CLIENT - or I can't find it. The same moroonic improvements as in windows. Unfortunately.

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[ChatGPT]

It seems like you're facing challenges changing the default mail program to Thunderbird on your system due to restrictions in the default program settings. To change the default mail app to Thunderbird, you can use an alternate method by setting the file association for email protocols directly to Thunderbird. Here's how you can do it:

1. Associate Email Protocols with Thunderbird:
   • Open the Windows Settings (Win + I) and go to "Apps" > "Default apps."
   • Scroll down to find "Choose default apps by protocol."
   • Look for protocols like "MAILTO" and "mailto" which are associated with the default mail app.
   • Click on the protocol (e.g., "MAILTO") and choose "Thunderbird" from the list of available apps.
   []Manual File Association:
   • Right-click on an email file (such as an .EML file) on your system.
   • Choose "Open with" > "Choose another app."
   • Select "Thunderbird" from the list and check the box that says "Always use this app to open .xxx files."
   []Set Thunderbird as Default Mail Client:
   • Open Thunderbird and go to its settings or preferences menu.
   • Look for an option within Thunderbird to set it as the default mail client. This option is usually available in the program settings.
2. Registry Editor (Advanced):
   • If the above methods don't work, you can use Registry Editor to set Thunderbird as the default email app:
     • Open Run (Win + R) and type "regedit" to open the Registry Editor.
     • Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Clients\Mail.
     • Right-click on "Mail" and choose "Modify."
     • Enter "Thunderbird" as the value data.

After following these steps, Thunderbird should be set as the default mail client for your system. If you encounter any issues, feel free to ask for further assistance.