what is fyi means

FYI is an abbreviation for "for your information". It is used to indicate that a message or a part of a message is for informational purposes only and doesn’t require any action. FYI is commonly used in both personal and business correspondence to show that information is simply being shared and that no immediate action is required or expected. It is ideal as a subject line in a work email to inform the recipient that you provide information and do not need them to act or respond. FYI can be used in emails, text messages, instant messaging, and even in speech.