1, The full form of PO is Post Office. It’s used on Governmental ,Departments & Agencies in Worldwide

Post Office (PO) is an office or facility forming part of a postal system for the posting, sorting, handling, transmission or delivery of mail.

Post Office Box (P.O. Box) is a posting box with a unique posting number in a post office assigned to a person or organization, where letters/​parcels for them are kept until called for.

2, The full form of PO is Purchase Order. It’s used on Business ,Business Operations in Worldwide

A purchase order (PO) is a commercial document issued by a buyer to a seller, indicating types, quantities, and agreed prices for products or services the seller will provide to the buyer.

3, The full form of PO is Probationary Officer. It’s used on Business ,Job Titles in India

Probationary Officer (PO) is the starting level appointment for bank officers. PO holds the designation of an Assistant Manager on Probation. Probationary Officer (PO) has to go though Induction training programmes. The duration of training varies from banks to banks.

4, The full form of PO is Petrol Ofisi. It’s used on Business ,Companies & Corporations in Turkey

Petrol Ofisi (PO) is a company engaged in the supply and marketing of fuel products in Turkey.

5, The full form of PO is Passport Office. It’s used on Governmental ,Departments & Agencies in India

Passport Office (PO) function as the subordinate offices of Ministry of External Affairs to handle all back-end functions required for processing all passport applications.