What is ooo?

The term "ooo" can refer to a few different things depending on the context:

1. Out of Office (OOO): In a professional setting, "OOO" is often used to denote that someone is out of the office, typically in an automated email response. This usually indicates that the person will not be available to respond to emails or work communications due to being away on vacation, at a conference, or for any other reason.

2. OOo (OpenOffice.org): This was an open-source office suite that included word processing, spreadsheets, presentations, and more. It was originally developed by Sun Microsystems and later handed over to Apache Software Foundation. It now continues under the name Apache OpenOffice, following Oracle's donation of the code and brand to Apache. LibreOffice is another popular fork of the original OpenOffice.org project.

3. Out of the Ordinary (ooo): This is a more casual use of the lowercase "ooo," often used in texting or informal communication. It indicates something unusual or special.

If you were thinking of a different "ooo," please provide more context, and I can try to give more specific information!