Extend Volume Greyed out Disk Management Windows Fixes

Free software to enable extend volume when it was disabled in Windows 11 10 8 7 disk management. Extend volume would gray out if the c drive is fat32 or when ntfs drive has no right side adjacent unallocated spaces or when the drive limit to 128gb fat32 drive, 2tb for ntfs drive or when the unallocated space is from another disk.