how to reformat macbook pro without losing data

To avoid losing data, you can back up the disk first of all. So, to perform the conversion smoothly, you have to delete all partitions and data ahead of time. If you prefer to use the Windows snap-in tools like Disk Management or DiskPart.exe, you should note they can only convert an empty disk between MBR and GPT. With AOMEI Partition Assistant software, you can easily convert HDD or SSD from MBR to GPT, or GPT to MBR. Step3: In order to save the change, click the Apply button on the toolbar. Select the SSD MBR disk you want to convert and right click it. The following will show you the detail of how to change SSD to GPT without damaging data.īefore you do: If you want to convert boot disk from MBR to GPT, make sure your motherboard supports UEFI. Besides, it has many other features which can be widely used in your work such as resize partition, merge partitions, allocate free space, windows to go creator, and more. With the help of the software, you can convert SSD to GPT easily without deleting partitions.

3 Steps to convert SSD from MBR to GPT without deleting partitionsĪOMEI Partition Assistant Professional is powerful disk partition management software. So, many users choose to convert SSD from MBR to GPT. From the above differences between MBR and GPT, it is easy to conclude that GPT has obvious advanatges over MBR disks.

When one of the two is destroyed, you can restore it with the other. What's more, based on the official declaration of Microsoft, the UEFI is required if you choose to upgrade Windows 10 to Windows 11, that means you have to choose GPT disk for the Windows 11.Īdditionally, partition on GPT disk has built-in backup which is stored on the end of the disk while the original one is stored on the start. This can help you take full advantage of the disk space. With GPT, you can make unlimited partitions on the hard disk. However, GPT has unique identifies (GUID) to define the partition. If you need to create more partitions, you can set the fourth partition as an extended partition, and then you are allowed to build more partitions or logical drives. For MBR disk, it only sustains four primary partitions and the size of a partition is 2TB. Both MBR and GPT are the style of partition.

How to reformat macbook pro without losing data