username / user name
The label for an account name.
Write username as one word. The two-word form user name is not the standard spelling in interface copy or ordinary prose.
Examples
Use Enter your username.
Avoid Enter your user name.
The label for an account name.
Write username as one word. The two-word form user name is not the standard spelling in interface copy or ordinary prose.
Use Enter your username.
Avoid Enter your user name.