Internet
ooo
What does ooo mean?
Stands for "out of office," indicating you're away from work and may respond slowly. Common in workplace chat and auto-replies.
"I'm OOO until Monday — will reply then."
Origin
A workplace email and calendar abbreviation adopted in professional chat.
Frequently asked questions
What does OOO mean?
OOO stands for "out of office." It signals you're away from work and may be slow to respond.
Where is OOO used?
It's common in workplace chat, calendar entries, and email auto-replies, like "I'm OOO until Monday."
How do you use OOO?
Set it as a status or add it to a reply, such as "OOO this afternoon, back tomorrow."
Study it as flashcards or scroll it in Vocabulary Flow — saved to your collection.
