Clone MBR to GPT

In many cases, you may need to clone MBR to GPT disk, due to MBR disk shortages. For example, if you are saving all files to an MBR drive, eventually this hard drive is full. In this case, you can continue adding another hard drive to do the storing, or you can upgrade this MBR drive to a larger one. The problem is that the new released hard drives today almost have huge capacities. However, MBR can only support hard drives up to 2TB, the extra disk space will be marked as unallocated space which cannot be used to create new partitions or extend other partitions. Hence, you need to make the new disk employ GPT disk.
 
So, how to clone MBR to GPT? And if you are dealing the system disk, how to how to clone MBR to GPT without boot issue? We will explain.
 

Clone MBR to GPT Disk without Boot Issue

 
To clone MBR to GPT disk without boot issue, you need to obtain a powerful disk partition manager to help you. In the software market, MiniTool Partition Wizard is such a useful disk manager that can clone MBR disk to GPT easily. Besides, it comes with other amazing features that you may use in the daily hard drive maintenance. For example: its Move/Resize Partition feature can fix low disk space warning, its Partition Recovery feature can undo diskpart clean command, its Rebuild MBR feature helps resolve “missing operating system” issue… When it comes to cloning MBR to GPT, you can make full use of its Copy Disk feature. This feature offers sector by sector copying method, which ensures that data on the target disk is exactly the same with that on the source disk; hence the success boot is guaranteed.
 
Here is how to clone MBR to GPT disk using MiniTool Partition Wizard.
 
Note: MiniTool Partition Wizard can help users convert an MBR disk containing Windows to GPT. However, to boot from the GPT disk successfully, UEFI mode should be supported and enabled.
 

Step 1. Enter MiniTool Partition Wizard to the main interface, select the disk you want to clone and choose Copy Disk from the action panel. (Note that if you want to clone a system disk to GPT, make sure you are booting your computer from that disk in case you have multiple systems installed.)
2-copy disk
 
Step 2. Next, select the target disk. Please note that for a successful clone, all data on the target disk will be deleted. So you had better make a backup before you continue if you still have some important files saved on the target disk.
3-select target disk
 
Step 3. In this step, you need to select “Use GUID Partition Table for the target disk” to make sure the target disk is employing GUID partition table. Also, you can choose other copy options according to your preference. Then click Next to continue.
4-copy method
 
Step 4. Next, you will see a notice which reads “To boot from GPT disk, please remember to change BIOS mode to UEFI.” This notice only appears when you have checked “Use GUID Partition Table for the target disk”. Please keep this in mind and hit OK.
5-notice
 
Step 5. OK, now you see another message which tells how to boot from the target disk. This message appears as long as you are trying to clone hard drive to GPT. Please pay attention to it before you click Finish button.
6-copy note
 
Step 6. Finally, you can have a preview of the target disk and press Apply button to start cloning MBR disk to GPT disk. Please note that MiniTool Partition Wizard requires a reboot to finish this job.
 
Tip: The extra 200MB FAT32 partition is created by MiniTool Partition Wizard, and is the EFI system partition in GPT disk.
 

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