The most common and most likely answer to this crossword clue is the 10 letter word COLLEAGUES
I've seen this crossword clue in Financial Times
C
O
L
L
E
A
G
U
E
S
More clues leading to the result COLLEAGUES
Buddy explains!

The straight part
We know that "others in the office" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case others in the office = colleagues.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does COLLEAGUES mean?
COLLEAGUES noun- A fellow member of a profession, staff, academic faculty or other organization; an associate.