Change Your Account Settings In Office. On the Account Settings window select the account youre trying to troubleshoot and select Change. To change the name of the Windows 10 account use these steps.
On Windows 10 the Sign-in options page allows you to manage the different methods available for authentication to your account. View the M365 web applications that currently use the language and regional format settings. As a result you have to change the settings online if you want to change your devices account name.
Save documents spreadsheets and presentations online in OneDrive.
Edit the address in the Alternate email box then select Next. Choose the account thats out of date to display the account settings dialog. On the Change Account window check the Incoming mail server and Outgoing mail server settings against those from your email provider or the reference article. View your privacy settings in any Office product by going to File Options Trust Center.
