Login / Log in
Different formsUse login as a noun or modifier and log in as the verb. In formal interface or technical writing, write 'log in to the portal', not 'login to the portal'.
Login
Use when
You use the noun or attributive form for the act, event, credentials or interface associated with signing in.
Example
“The last login was recorded at 9.02 am.”
Log in
Use when
You use the verb meaning enter a system or service using credentials.
Example
“Please log in using your work account.”
Quick check
please login, login to the portal, users must login
Usage note
Log-in is also an accepted noun form; this glossary uses login as its house style.