Hi @GraniteStateColin ,
How many services did you have connnected with Office account?
I suggest you try to sign out other account from list and test if you can create the connection:
Open Excel- in the upper right corner- select the account and you can check if you have several accounts in list, try to sign out these accounts:
Try this method and let me know if it is helpful, please let us know if you would like further assistance.
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