outside of
Except for; besides; aside from. Outside of a couple usual troublemakers, the class behaved extremely well during the field trip. The company doesn't give me any benefits outside of what's mandated by the government.
outside of something
except for something; besides something. Outside of the cost of my laundry, I have practically no expenses. Outside of some new shoes, I don't need any new clothing.
outside of
Except for, aside from, as in Outside of a little lipstick, she wore no makeup. [Colloquial; mid-1800s]