The most common and most likely answer to this crossword clue is the 7 letter word IN-TRAY
I've seen this crossword clue in Independent
I
N
-
T
R
A
Y
More clues leading to the result IN-TRAY
- I beam, receiving collection of books β something to put on desk
- Where work is to be done within year?
- Fashionable, arty works β one receives mail arriving first
- Shade without initial evidence of sun β a feature of office life?
- I lifted paintings into extremely nifty
- Things here are to be dealt with sometime when itβs terribly rainy outside
- Matters awaiting attention at home: sounding characteristic
Buddy explains!

The straight part
We know that "container from office/ (2-4)" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case container from office/ (2-4) = in-tray.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 IN-TRAY mean?
IN-TRAY noun- A desktop organizer; inbox, in-basket.
- (by extension) The amount of new work yet to be done.