OoO meaning in Email ?

Answer:

INFO: Full form for OoO is Out of Office in Email category
OoO also has other full forms in other categories mentioned below.

Full Form	Category
Betashares Crude Oil Index Exchange Traded Fund-currency Hedged (synthetic)	Business
Office of Ombudsman	Business
Obligatory Other Option	Business
Order Of Owls	Community
Order Of Operatations	Computing
Outside Of the Object	Computing
Out of Order	Electronics
Out of Office	Email
Outside of Ordinary	General
Oracle Open Office	General
Open Organic and Optima	General
One on One	General
Out of Organisation	General
On Our Own	General
Object Oriented Ontology	General
Order of the Overflow	General
Olympic O Olympics	General
Office of Ombudsman OOO	General
Object of Obsession	General
Overly Officious Official	General
Oil of Olay	General
Omnd Omnd Ohk	General
Our Original Opinion	General
Outstanding Ordinary Objects	General
Out Of Order Once	General
Off On One	General
Ozonated Olive Oil	General
OpenOffice.org	Information Technology
Obshestvo S Ogranichennoy Otvetstvennjctyu	International
Our Own Option	Internet
Onsite, Offsite, and Offshore	Military and Defence
Out of Options	Military and Defence
Object Oriented Ogonkify	Softwares
Oscuro's Oblivion Overhaul	Sports
Alturas Municipal Airport	Transport & Travel
Internet Top-level Domain Name for E-commerce (not An Acronym)	Web Technology