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When you are using an Administrator account, you can change other Local Accounts password in Control Panel and have full access to the account. However if it's a MS Account there is no option to do that.
Does this mean I can let other people using my PC with a Local Admin account, and not afraid of that my App Data from main MS Account can be leaked somehow?
I know that raw data stored in disk can be view, I'm just worry about people logging in my account and using app services that I already signed in, such as Windows Store, Office 365, ...
1If you give them an Administrator account they can access the AppData folder to any user – Ramhound – 2016-08-29T11:30:28.317
The whole point of an Administrator account is that is is unrestricted. If you don't want other people accessing your data don't give them an Administrator account. – DavidPostill – 2016-08-29T12:51:17.927
I'm aware of raw data on disk like in AppData folder. Maybe I should change the question to something like "Is your email credential, the one that you used to create your MS Account, protected if you lost your laptop?" – Hp93 – 2016-08-29T15:30:19.720