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I just switched from a local account to a "Microsoft Account" and I'm wondering now which local username I have now? Do I still have my old local username?

If not, i.e. for changing permissions of folders etc, which username (and domain?) do I have to use?

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2 Answers 2

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Yes - run net users from the command line, or hit Windows Key+R, type compmgmt.msc and expand the users list to see your user name - it should be the name you login as minus the @ sign and the domain name. So if you login as thisisjustasample@hotmail.com, your user name on Windows 8 would almost certainly be thisisjustasample.

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There I just see my old local username I had before. Seems to be connected to that Microsoft Account now... –  FiveO Oct 22 '12 at 8:57
That sounds right to me. In my case it was a new PC so I didn't have an old account, but after I signed in with my Microsoft account I wound up with a local account of just my first name. –  Mark Allen Oct 22 '12 at 18:30
I’m relaying a comment from an anonymous user who says, “In my case, the name is the first five letters of the login name followed by series of digits; e.g., thisisjustasample became thisi_000.” –  Scott Mar 12 '13 at 23:19

In a clean installation of Windows 8.1, when I associate a Microsoft Account as a user on the local machine, the username is created from the First Name portion of the Display Name of the account with special characters removed. For example, my Display Name is Jason R. Coombs, the First Name portion is Jason R.. As a result, Windows creates the local username as JasonR. The user portion of my e-mail appears to be irrelevant.

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