Apps with 'Repair Partitions' feature
TestDisk can convert dynamic disks to basic disks.
DiskWarrior is the safest, most technologically advanced, most powerful utility to eliminate directory damage and recover your files, folders and documents.
Active@ File Recovery recovers data as a result of having been accidentally deleted, formatted or otherwise lost, includes a Partition Recovery tool.
diskpart is a command-line hard disk partitioning utility included in versions of the Windows NT operating system line from Windows 2000 onwards, replacing fdisk which was used in...