Department vs Office

When to use each in English, with meaning, register, and examples.

	Department	Office
Meaning	A part of a larger organization, like a company or school.	A place where people work, usually in an office building.
CEFR level	A2	A1
Part of speech	noun	noun
Usage notes	Used in professional and academic contexts. Commonly refers to specific areas within organizations (e.g., marketing department, sales department). Not typically used in casual conversation.	Used in everyday conversation and writing to refer to a workplace. Appropriate in both casual and formal contexts. Avoid when discussing non-work environments.

Frequently asked questions: Department vs Office

What's the difference between "Department" and "Office"?

"Department" means: A part of a larger organization, like a company or school. "Office" means: A place where people work, usually in an office building.

When should I use "Department" and "Office"?

They can all be used in everyday English.

Are "Department" and "Office" the same CEFR level?

"Department" is at A2, "Office" is at A1 on the CEFR scale.