Copy Partition - Backup your data before data recovery
This function can help you to copy the selected partition to the free space of a disk. Target disk can be the disk containing the selected partition or a different disk.

Download OtraUnit Data Recovery at the only official website OtraUnit Data Recovery Download Center.Then install and run it, you may see the following interface:
The procedure to Copy Partition is listed below.
a. First select the original partition. This is partition you want to copy.
b. Select the free space where you would like to copy the partition.
c. Click "Finish" button.