Enter a clue or pattern or both:
The Clue
Memo letters (3 letter answer)
The Answer
FYI
Tags
Notes
The answer FYI is seen occasionally, appearing about once every 650 puzzles.
Related Clues
Memo abbr.
Memo heading
Memo opener
Memo starter
Message starter
"Read this"
In case this is of interest...
Initials at the start of a memo
Memo-heading initials
Memo-opening letters
Murphy Brown's show
Header on many a forwarded email
"In case it's of interest ...," on a memo
"Just a heads-up," on a memo
Just so you know
Post-it note abbr.