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#520
Hello @Mark0, and welcome to Ten Forums.
Basically, these are Microsoft Store apps that can be uninstalled from either the current user or all users on the computer.
Other than the built-in apps included in Windows 10, apps from the Microsoft Store are installed separately per user on the computer.
A standard user can simply uninstall only their Microsoft Store apps. Using option 1 or 2 is the easiest way to do this.
An administrator account can uninstall Microsoft Store apps for all users on the computer. This is where the provisioning package of an app gets removed when uninstalled for all users. Option 6 or 7 is a good easy way to do this.
Some apps required by the system will not be allowed to be uninstalled, and you will get an "Access Denied" type error message when you try.
You will always be able to reinstall any uninstalled apps via the Microsoft Store. This is why it's important to not uninstall the Microsoft Store app. If you do uninstall the Microsoft Store app, you will often need to do a repair install of Windows 10 to restore it.