Learn how to convert MBR to GPT disk without data loss in Windows 11/10, using Diskpart, Gptgen, or AOMEI Partition Assistant. MBR disks support only 4 partition tables.

Windows cannot be installed to this disk MBR and GPT are two formats of the hard disk. MBR is the abbreviation of master bootable record, whereas GPT is an abbreviation of GUID partition table.