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If you want to change the primary account without creating a new profile, there is a better option. Let’s begin: Method 1: Changing the Primary Account while Keeping the Profile To make it easier for you, we have included below step-by-step guides with each of the methods presented above. The third option is to add a PST file to the default profile, set it as the new default and then remove the Exchange account\s. The second way would be to change some settings in the registry and then removing the primary Exchange account. However, you can go about removing the primary account in two other ways. If you’re in a situation like this, it’s recommended to create a new profile and add the account you want to set as primary first. When you remove the primary Exchange account, the next one (sorted by date) is automatically set as primary. You can’t remove a primary account from a profile unless you get rid of all the other Exchange accounts from that particular profile.
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Outlook operates by setting the first account added to a profile as the primary account. If you think about it, loading a new email account with a new data file should also override the old primary account preference, but it doesn’t. You must remove all other Exchange accounts before removing the primary account” ” The primary account cannot be removed unless it is the only account in the profile.
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If you want to retain the current profile while trying to move from an internal Exchange server to the new Office 365, you’ll get a message saying that the primary account cannot be removed.
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