How to set Mailbird as default email

[Ghot 0]

I use Mailbird as my email program. When I go into Advanced there is something that says "Default email application." There is a check mark in the box that says "Tell me if Mailbird is not the default email client."

Right now it says "Mailbird is not the default email client."

There is a button that says "Set as default."

Problem is when I click the button it brings me into Apps - Default Apps. There are two entries there. One says Mail and the other says Mailbird. I think I got the entry called Mailbird set up correctly. When I click on it, it says Mail to Mailbird.

But when I click on Mail I see MS-UNISTORE-EMAIL. Below that I see OUTLOOKMAIL. When I click on the small box to the right of either one of these, I see a dialog box that says "Select a default app for..." (Select a default app for MS_UNISTORE-EMAIL LINKS).

All Windows will let me do is browse apps in the Microsoft store. There is no Mailbird in the Microsoft Store.

I don't know what I can do. Maybe I gotta just contact Mailbird.