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How to Migrate OS from MBR Disk to GPT Disk

Posted on Jan 16, 2018 by Brithny to Partition Master

Here we introduce you the simplest way ever to migrate OS MBR to GPT without changing partition style. Follow the tutorial guide and clone Windows 10/8/7 system disk and boot disk from MBR disk to GPT disk within 3 steps.

Need help to clone a Windows installation disk to a 2TB hard drive: MBR to GPT

"Hi, do I need to convert GPT to MBR first if clone system drive from one MBR disk to another GPT disk? Now I plan to clone a Windows 7 installation disk (partition table MBR) to a 2TB (newly bought, not used yet) GPT hard drive, what's the best and fastest way to make it happen?"

There are many ways to migrate OS from HDD to SSD or migrate OS between two same type hard drives, for example, you can just image the system drive and restore the image to the target drive, or just clone one to another. The former method is relatively complex compared with the latter, thus in the following, we just focus on the "clone" way to help OS migration.

How to clone MBR OS to GPT disk?

Among the renowned partition manager software in the market, we select EaseUS Partition Master for you. Since it has a clean interface and comes with a "migrate os to HDD/SSD" feature that supports to clone system drive/migrate OS from MBR disk to GPT disk as well as from GPT disk to MBR disk, we think it is the best choice for all average users who demand a fast, easy & complete OS migration from MBR to GPT.

To migrate OS from MBR disk to a GPT disk, there are some tips you should follow.

  • The target GPT disk should be bigger enough or at least with an equal size to that of the source MBR system disk;
  • Make sure the target GPT disk is empty with no partitions and data on it, or else you need to delete all partitions on it. You'd better backup the data first before clearing them all.

Step 1. Download and install EaseUS Partition Master on your computer. Connect both of your MBR disk and GPT disk to the computer and make the software recognize them.

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 Windows 10 is supported

Step 2. Launch EaseUS Partition Master, on the main Window, select Wizard -> Migrate OS to SSD/HDD.

Step 3. Choose the GPT disk as the destination disk. 

choose gpt disk as destination disk when migrate os mbr to gpt

Step 3. The destination disk must be clean without any partitions on it. If there are some, click Yes to allow the program to delete partitions on the destination disk and then click Next to continue.  

delete all partitions on GPT disk when migrate os mbr to gpt

Step 4. You can edit the destination disk. Just drag the double-headed mouse pointer, and adjust the partition size. Click "OK".

resize gpt disk when migrate os mbr to gpt

Step 5. Click "Apply" to start to migrate OS from MBR disk to GPT disk.