Inits. at the start of a memo

• "Just a heads-up," to a texter
• "I feel I should tell you," briefly
• Memo starter
• "I think you should be aware of this ...": Abbr
• Memo abbr.
• Memo shorthand
• "Oh, by the way ..." letters
• "This might interest you," in memos
• Memo header

Wikipedia Word definitions in Wikipedia
FYI (stylized as fyi, ) is an American digital cable and satellite television network that is owned by A&E Networks , a joint venture between the Disney–ABC Television Group subsidiary of The Walt Disney Company and the Hearst Corporation (which each own ...