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#1
Sorry, I'm just a low-tech-knowledge user! What is it exactly? Is it something I need? If not, can I uninstall it? I use Outlook and that's fine, I don't need another mail facility.
No problem. Windows Mail is part of W10. You can just right-click the icon in the taskbar and select UNPIN. It's a very down-and-dirty email client for people who need one and don't have Outlook. That's all. Just unpin it from the taskbar - it's a very small app, and won't bother anything.
You can use CCleaner to uninstall most of that stuff (i.e. that MS does not explicitly allow on the Start menu's context menu)... however as Simrick says, they are not resource hogs, so unpinning is fine - but if you are like me, as in not wanting uninvited guests?... there you go :)