Practice
At the office or at office: which is correct?
Sign in to saveWhen you describe someone's usual workplace, standard English normally says at the office. The small word the shows that the speaker and listener can identify the workplace from the situation.
Choose at the office, in the office, at an office, or at work by deciding whether you mean a known workplace, an inside location, or work activity.
Read and practice
Read the examples and try the written questions in this guide. Listening recordings are not available for this lesson yet.
Try the written questions
He is at the office until six. /hi ɪz æt ði ˈɔfɪs ənˈtɪl sɪks/
The short answer
Say He is at the office. In standard English, office is a singular countable noun here, so it usually needs an article. Use the because the workplace is known in the conversation.
He is at the office until six.
Why it works: The phrase points to the workplace that both speakers know.
4 more examples
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She left her keys in the office.
In focuses on where the keys are: inside the office.
Not this:She left her keys
at the office. What changes: At names the workplace as the place where the keys were left, without stressing an inside position. -
I met a client at an office near the station.
An introduces one office that has not been identified before.
Not this:I met the client
at the officenear the station. What changes: The identifies the particular office described by the phrase near the station. -
The manager is in the office by the elevators.
The phrase gives an inside location and identifies which office is meant.
Not this:The manager is
at the officetoday. What changes: At the office tells us where the manager is based today, without focusing on one room. -
Our team works at the office on Tuesdays.
The team uses its known workplace on that day.
Not this:Our team works
from homeon Fridays. What changes: The contrast names a different work location rather than changing the article before office.
Read the full guide
Start with the meaning you want. If you mean a particular workplace, use at the office. If you mean that someone is physically inside the room or building, in the office may be clearer. If the workplace has not been identified, use at an office. Use at work when the job or work situation matters more than the building.
Use at the office for a known workplace
Say at the office when the workplace is clear from the situation. The office may be the speaker's workplace, the listener's workplace, or a place mentioned earlier.
He is at the office until six.
Office is a singular countable noun here, so standard English uses the article the.
Choose the natural phrase: Maya is at office today, or Maya is at the office today?
Use Maya is at the office today.
Keep the article with office
A familiar place does not automatically lose its article. We say at the office, at the bank, and at the station when the place is known. At office is not the usual standard-English pattern.
The assistant is at the office this morning.
The listener can identify the assistant's usual workplace, so the phrase uses the.
The assistant is at work this morning.
At work is a fixed phrase and does not need an article.
Choose in the office for an inside location
Use in the office when the inside location matters. This can help someone find a person, a document, or an object. At the office is broader and can describe the workplace as a venue.
The files are in the office beside reception.
In tells the listener that the files are inside the office.
Which phrase helps a colleague look for a folder inside a room?
Use in the office: The folder is in the office.
Use an for one office that is not identified
Use at an office when you mean one office but the listener does not yet know which one. Add a description if it helps identify the place later.
She works at an office near the airport.
An means one office, but it is not a known office for the listener yet.
She works at the office near the airport.
The is natural when the description identifies the office in the current conversation.
Use at work when the job matters more than the building
At work is useful when you mean that someone is doing their job or is at their workplace. It can apply to people who do not work in an office, such as a nurse, driver, or shop assistant.
Please call me after I finish work.
This sentence talks about the workday, so it does not name a building.
Which phrase can describe a nurse during a shift?
Use at work: The nurse is at work.
Before you go
Remember this
Use at the office for a known workplace. Use in the office when you want to stress that someone or something is inside. Use at an office for one office that is not yet identified. Use at work as a fixed phrase for being at a job or workplace. In standard English, do not usually say at office by itself.
Practice with the written examples
You can practice with the written questions in the Learn tab. Each answer includes an explanation.
Try the written questionsListening test not available yet
This lesson does not have the recordings needed for a listening test. Use the written questions in the guide to check your understanding.
Try the written questionsQuestions about "At the office or at office: which is correct?"
Is He is at office correct?
In standard English, say He is at the office when you mean a known workplace. Office is a singular countable noun in this use, so it normally needs an article. The phrase at the office is the usual choice.
He is at the office until six.
Why does office need the in this phrase?
Use the when the listener can identify the workplace from the people, company, or earlier conversation. In a sentence about someone's usual workplace, the office commonly means that known place. Use an only when you introduce one office without identifying it.
He is at work until six.
What is the difference between at the office and in the office?
At the office names the workplace as a general location or venue. In the office focuses on a position inside the office. The first phrase can be enough when you say where someone is for the day; the second is clearer when an inside location matters.
She left her keys in the office.
Can I say at work instead of at the office?
Yes, when you mean that someone is at their job or workplace and the building does not matter. At work is a fixed phrase with no article. It can describe people who work in many settings, including places that are not offices.
She left her keys at the office.
When can I say at an office?
Use at an office for one office that the listener cannot identify yet. For example, you may mention an office near a station before giving more detail. Once the office is clear in the conversation, the can be the natural article.
I met a client at an office near the station.