Is there a difference between 'log out' and 'log off'?

Generally speaking, "log in/out" pertains to websites, software programs, and various accounting systems. (The latter might include buildings and offices, although these usually involve "signing in/out.") "Log on/off" pertains to some networks and operating systems such as Windows. read more

Informal To express approval formally or conclusively: got the Congress to sign off on the tax proposal. Sign out means: To record the departure of another or oneself by signing a register. So "logoff" and "logout" mean the exact thing when we log out of a computer system or web. read more