Can Emails Have Underscores?

The underscore sign can be used in usernames and email addresses to make them unique and sometimes easier to read. Do not put spaces before or after an underscore when using it in email addresses and usernames. This email address would read: john underscore doe at my mail dot net.

Can Gmail have underscore?

Usernames can contain letters (a-z), numbers (0-9), and periods (.). Usernames cannot contain an ampersand (&), equals sign (=), underscore (_), apostrophe ('), dash (-), plus sign (+), comma (,), brackets (<,>), or more than one period (.) ... Other than this rule, periods (dots) don't matter in Gmail addresses.

How do I use underscore in an email address?

You misunderstood your friend. One of the letters in their email address IS an underscore. To type an underscore '_' use the SHIFT and '-' key.