OOO
OOO definition by Slang.net
This page explains what the acronym "OOO" means. The definition, example, and related terms listed above have been written and compiled by the Slang.net team.
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OOO is an acronym for "out of office" that is used as an auto-response by people who are not present in the office. It is typically seen in emails and instant messages in work environments.
The person using the acronym may be out of the office only temporarily or for an extended amount of time. In some cases, the person may still be in the office but unable to respond to messages at the time due to a meeting or emergency.