Email as username

1. Is it OK to use email as user name?
2. Should I use email or username for login?
3. Is your user ID your email address?

Is it OK to use email as user name?

Don't make your e-mail address your user ID

Using your e-mail address to sign into accounts has its benefits. Your ID is unique and easy to remember, and it makes it simple for a service to contact with you when, say, you forget your password. But in some cases, the risks of doing so could outweigh the benefits.

Should I use email or username for login?

Emails Are Easier to Remember

It's easier for users to remember their email than username. This is because users check their email is regularly and type it often. It's a mistake for sites to not allow users to log in with their email. Users need to do a lot of work if they forget their username.

Is your user ID your email address?

Your user ID is the unique email address that was created for you to use when you sign in to Microsoft 365.