"Just so you know," on a memo

• Memo abbr.
• BTW
• Heads-up letters
• Memo heading, maybe
• "Just so you know," in a text
• "In case it's of interest ..."
• "This might be good to know," in texts
• Letters denoting "so you know"
• Post-it note abbr

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 ...