How Do You Underscore an Email Address?

Underscore an email address by inputting the underscore character between two words; for example, John_Doe. The underscore joins two words or separates letters and numbers when the text cannot have a space. The underscore character also works to create a space in both IP addresses and website user names.

  1. Think of an email address

    If you want to use your first and last name as your email address, you must connect both names or use an underscore to separate them. The underscore looks like a hyphen but sits below the text.

  2. Locate the underscore key

    Look for the underscore key beside the zero key on the keyboard. This key has two lines, one for the hyphen and the other for the underscore. To use the underscore, press Shift and the underscore key. Failing to press Shift results in adding a hyphen between the two names, for example, “John_Doe” and “John-Doe.”

  3. Create the email address

    Once you have an idea for an email address, write it in the text field on the respective website. You can also use the underscore to separate a name and numbers in an email address, which creates a more unique ID, such as or