at the office

A few days later, he called her at the office.

Just 10 days later, he was back at the office.

I used to be able to leave my work at the office.

I'm at the office during the day and she was usually out.

You work hard and put in long hours at the office.

A half hour later we were back at the office.

I was in court all day and had things to do at the office.

Game 1 was just one of those days at the office for the whole team.

I've just heard what happened to you at the office.

You've been at the office for almost four hours, and you have nothing.