O&O PartitionManager Pro - Version 2 O&O PartitionManager 2 can create, delete, extend or shrink disks. What sets the product apart is the one-of-a-kind support for all drive types from Vista and Windows XP, including GPT, basic and dynamic disks. O&O PartitionManager 2 contains cutting-edge technology from the award-winning products O&O Defrag, for optimizing disk performance, and O&O SafeErase, for securely deleting private and company data.