FYI is the abbreviation for “for your information”. It flags that the message is informational rather than a request or a question.
Tone-sensitive in work chat. “FYI: the deadline moved” reads as helpful. “FYI — you missed the deadline” reads as passive-aggressive. Same letters, different vibe.
Standard in email subject lines, Slack channels and DMs alike.
Examples
How FYI reads in the wild.
- “FYI we’re closing early on Friday for a private event”
- “fyi the kitchen is out of the salmon special tonight”
Where you’ll see it
Common questions
What does FYI mean?
FYI stands for "For Your Information". Short for “for your information” — used to share an informational note.
How is FYI used?
FYI is the abbreviation for “for your information”. It flags that the message is informational rather than a request or a question. Tone-sensitive in work chat. “FYI: the deadline moved” reads as helpful. “FYI — you missed the deadline” reads as passive-aggressive. Same letters, different vibe. Standard in email subject lines, Slack channels and DMs alike.
Where will I see FYI?
FYI is commonly used on Email, Slack, Teams, SMS.