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Convert MBR to GPT in Windows 10 with AOMEI Partition Assistant

Why do you need to convert MBR to GPT in Windows 10?

Amoei partition assistant A lot of Windows 10 users aren't sure whether they should use the MBR or GPT structure. MBR structures can only handle disks that are up to 2TB in size. If you have a drive that is bigger than 2TB, the extra space will show up as "unallocated," which means you can't access or use it. So, in Windows 10, you need to change MBR to GPT in order to get the most out of the big hard drive. Or, you have to choose GPT if you want to upgrade your Windows 10 PC to Windows 11. Windows 11 only starts up in UEFI mode.

You should know, when you use old systems like Windows XP 32 bit, Windows 2003 32 with GPT, the GPT disks will show "GPT Protective" partitions. Until you change the disk from GPT to MBR, you won't be able to access the data on it. If you want to use a newer operating system like Windows 10 and 11, you have to convert MBR to GPT

If you are curious about the differences about the MBR and GPT, you can see the picture below:
Amoei partition assistant
How to convert Windows 10 MBR system/data disk into GPT

People often wonder if they need to reinstall the OS if they want to convert a system disk. If you want to use Command Prompt to convert MBR to GPT, be careful because it can only convert empty MBR disks to GPT. This means that you will have to delete all of your existing partitions and risk losing your data. Also, using the Command Prompt to convert a system disk is not a good idea because the system partition can't be deleted while the disk is being used.

To avoid data loss and the need to reinstall Windows, please use AOMEI Partition Assistant, a robust conversion tool that allows for the conversion of both data disks and system disks between MBR and GPT in just three steps.

Below are the advantages of AOMEI Partition Assistant in MBR2GPT conversion:

- Its easy-to-use graphical interface makes it simple to change from MBR to GPT on Windows 10 with just a few clicks.

- It allows you convert MBR to GPT while keeping your data safe on different versions of Windows, such as 7, 8, 8.1, 10, and 11.

- Besides changing system MBR disks to GPT, it can also change external MBR hard drives to GPT without deleting any partitions.

- If you mistakenly convert a disk to GPT, this tool enables you to revert the GPT disk back to MBR.

Now, you can follow the steps to learn how to convert MBR to GPT Windows 10:

Note: Please make sure your computer supports the UEFI boot mode or change Legacy to UEFI to avoid boot issues if you need to change the system disk.

Step 1: Install and launch AOMEI Partition Assistant. When you enter the main interface, select the disk you want to convert to GPT whether it is a system disk or a data disk, right-click on it and select “Convert to a GPT” from the feature menu.

Amoei partition assistant

Step 2: It will pop up a window that you need to confirm. Click “OK” and you’ll be back to the main interface.

Step 3: Here you can see that the disk has been converted into GPT, but it’s not the end. You need to click “Apply” at the toolbar to execute the task.

Amoei partition assistant
By using this tool, you can seamlessly convert your MBR system disk to GPT, maintaining all your data and system configurations intact.

ConclusionHere are the guide to convert MBR to GPT in Windows 10. With AOMEI Partition Assistant, you can handle various complex disk management tasks. These include cloning an MBR disk to GPT, migrating the operating system drive to an SSD or HDD, moving applications or folders to a different drive, recover files from SSD, conducting hard drive speed tests, and more.

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Any facts, figures or references stated here are made by the author & don't reflect the endorsement of iU at all times unless otherwise drafted by official staff at iU. A part [small/large] could be AI generated content at times and it's inevitable today. If you have a feedback particularly with regards to that, feel free to let us know. This article was first published here on 20th July 2024.


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