PC.net

OOO

Meaning Out of office
Type Acronym
Popularity ★ ★ ★ ★ ☆  Common
Usage Online Only (chat, messaging, e-mail)
Comments

OOO may be used in workplace communication to let others know that you are not in the office, or won't be in at a later time. Still, it's best not to use acronyms in formal communication.

Example "I will be OOO this afternoon."
Updated February 11, 2010
Information from PC.net
https://pc.net/slang/meaning/ooo
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