what does OOF
Out Of OFFice or Out Of Facility. Used in companies to indicate that an employee will not be in the office at a particular time/day.Commonly used at Microsoft, but also used in other businesses and industries. James is OOF on Friday, so let's set the meeting for Thursday afternoon..ut Of OFFice or Out Of Facility. Used in companies to indicate that an employee will not be in the office at a particular time/day.