As well as Disk Management tool, Disk Part only enables you to convert GPT to MBR or convert GPT to MBR when there are no partitions on the disk. So before you do, you should backup all the data you may delete and then restore them. If the disk you need to convert is empty, you can use one of the methods above.
If you satisfy the precondition, you can do as follows: Step 1. Is there any way to convert disk between MBR and GPT in Windows 10 without data loss? AOMEI Partition Assistant Professional is a powerful software for partition management.
Besides this feature, it enables you to resize partition, merge partitions, make bootable CD, allocated free space, migrate OS to SSD, and more useful features.
It can be damaged by certain viruses that target the MBR to replace it with their own code or in cases when you dual boot with a Linux distribution (see Error: no such partition. You can backup the MBR since it’s stored on the hard disk and you restore it later, when needed. Important: Restoring your Master boot record with the wrong partition table will make your data unreadable and will make it very hard to recover your data later.
You can restore the saved Master boot record using this command: Other errors can be shown, depending on many factors, that are caused by a damaged boot record.
GPT, short for GUID Partition Table, has not the limitation on the number of partition and the size of disk.
But as for GPT, you should know that system installed on GPT disk can only be booted from UEFI (United Extensive Firmware Interface).