What is the full form of FYI

FYI: For Your Information

FYI is an abbreviation of "For Your Information". This is a common internet slang used these days on online chatting. It is used to specify a situation in which one person want to give information to other person.

Let's take an example:

FYI is commonly used informal and business spoken conversation like e-mail, instant messaging or memo messages etc. The use of FYI in conversation is considered informal. If it is not used properly, it seems disrespectful and arrogant. So, It is advised to avoid FYI in conversation.