One Step to Extend System Drive C Partition on Windows Server System and Windows other System with 100% truly data safe. Partition Extender can easily extends System Partition, Boot Partition, C Drive, C Partition, Primary Partition Simplified steps to extend Data volume, logical partitions, fastest speed partition manager in disk management. Disaster-protection: when urgent things happen to you computer, especially server system, Extender will protect you system from losing data. Cancel-protection: you can cancel extending progress at anytime of the procedure without data loss. Truly 100% data safe. No need to move space from one partition to another; No need to shrink volume and make unallocated space.