Enter a clue or pattern or both:
The Clue
In-box build-up (5 letter answer)
The Answer
MEMOS
Tags
Notes
The answer MEMOS is uncommon, appearing about once every 425 puzzles.
Related Clues
Jottings
Notes
Reminders
Boss's notes
In-box filler
Brief notes
Exec. items
Execs' messages
Internal notes
Office corr.
Office correspondence
Office mail
Office messages
Office missives
Office notes
Reminders, for short
Reminders, in short
Reminders of sorts
Some notes
Staff directives
Staff notes
Stenos' output
Work orders?
They fly around offices
They may be made with pads
Definition
MEMO as a noun:
1. (memo, memorandum, memoranda) = a written proposal or reminder