Off Off. The agreement is off. Off-White has been defining the grey area between black and white since 2013 and has become an iconic brand for millennials.
The electricity is off. Off can also be used when we want to say that something is away from a place. The difference between them is that off of is used by Americans.
In these unpredictable times you still have control of your package deliveries.
You should always make sure the stove is turned off before leaving the house. Saying off of is not really necessary. It is an example of American English involving words that are superfluous. He drove off at high speed.