here is the link to Microsoft support (you can find it using search engines):https://support.microsoft.com/
Which version of Windows 10 are you using?
if you don't know, use this guide:https://support.microsoft.com/en-us/windows/see-which-version-of-windows-10-you-have-12d35019-4da9-0...
what personal information are exactly erased?
how are you sent back to a previous email? what email provider is it from? and what's your current email provider? (Outlook, Hotmail etc.)
is this related to Edge browser? (asking since you posted in Edge community)