Memo-heading initials

• Sticky-note initialism
• "In case it's of interest ...," on a memo
• Murphy Brown's show
• "Just an update" letters
• "Just like to mention this," initially
• Letters before a heads-up
• Texter's "This might be of interest"
• "By the way" abbr. on a memo
• Letters on memos

Wikipedia Word definitions in Wikipedia
FYI is a common abbreviation of " for your information ". "FYI" is commonly used in e-mail, instant as on messaging or memo and messages, typically in the message subject, to flag the message as an informational message, with the intent to communicate to ...