Re: How can we know which email address the external user used to register inside the office 365 - Microsoft Tech Community
I want to change my email address as of now my company mail Id is registered with my account. Now I want to change it to my personal mail.I have tried changing
If I delete an email address (Gmail), will it be available for someone else to use or will it be deleted for good? - Quora
![How to use Gmail to see my non"gmail.com" email address without creating a "@gmail.com" address? - Google Account Community How to use Gmail to see my non"gmail.com" email address without creating a "@gmail.com" address? - Google Account Community](https://storage.googleapis.com/support-forums-api/attachment/thread-31580078-3765671019137441945.png)