The Full form of AUO is I don't know, or AUO stands for I don't know, or the full name of given abbreviation is I don't know.
AUO (I don't know)
I don't know is known as AUO,
AUO all full forms
All the above full forms are related to AUO. A little information is given about one of these full forms. If you are not satisfied with the information given about 'I don't know (AUO)', then comment. Or if you know more about 'I don't know (AUO)', then write.