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To completely remove this account, you’ll need to do the following: In order to remove this flag (that may or may not be a thing), you’ll need to completely remove the Work or School account.
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I’m guessing there’s a flag that gets added to your email once a Personal or ‘Work or School’ account is added to your email, and it’s this flag that’s checked each time you sign in with the address. And even once the account is removed, the login screens will continue to ask you to choose between accounts for about a week. Unfortunately, there doesn’t seem to be a quick and easy way to remove this account once it’s created. Now, each time you sign into your personal Microsoft Account, you’ll be prompted to choose whether you want to use your Microsoft Account, or your Work or School account. The trial sign up worked fine, though Power BI is not a service that gets attached to a Microsoft Account, instead, it creates a new Organizational AKA Work or School AKA Azure AD account using your email address. For this, I used my personal Microsoft Account ( ) I was testing the user experience of signing up for a Power BI trial without having an existing Office 365 subscription. UPDATE #1: You can also rename the email alias on your Microsoft Account if you can’t remove your work or school account for any reason.
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UPDATE #2: It works! it took about a week, though after deleting the account and domain from Office 365, I’m no longer prompted to choose between a Microsoft account and a Work or School Account Remove Work or School account option when signing into Microsoft Account (Confirmed working!)
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