Can't find the setting to show file extensions

Create shortcut to Mail application somewhere and set this shortcut as "Mail reader" property.

Well, Yuri, annoying Windows 10 doesn't really HAVE paths for Modern apps (Mail is one of them) any more, so I don't know what to try here.

   

TLB uses Windows explorer settings for extensions. Actually Windows explorer supplies names for file system items.

And as for the display in TLB of file extensions, I think it's just a Windows 10 thing, like an obsessive-compulsive disorder, that makes it not want to show file extensions.

You have to pick your battles, and my fight with Windows 10 about file extensions in TLB is not a fight worth pursuing; I'm sure to lose.

I fought with Windows 10 earlier today and won: I changed my user-name in File Explorer C:\users\<user-name>. Now that was a fight worth fighting, since the name in there had nothing to do with me.

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Actually, the Mail shortcut (the one Windows 10 made; not one I made) opens the Mail app to the Inbox, and the mail monitoring function is handled by the Action Centre: you get a Number Flag on the bottom-screen-right icon and a sound (if you set it that way) every time a new mail message comes in. That satisfies me.

I've put the mail shortcut in the TLB toolbar, changed its icon to one of mine, and it works just fine. If I move away from the Mail app to a real mail program in the future, I'll follow your guidelines to set up the TLB Mail Monitor. I'm sure it will work just fine.

Thanks so much for all your help over the years, Yuri, and special thanks for giving us the True Launch Bar!