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How to convert MBR to GPT without reinstall Windows and data loss?

Hello,


I got a problem when tried to update Win 10 to Win 11, I don't see UEFI settings in "Advanced Options" menu.

My system disk partition has MBR, and as I understood I need to change it to GPT.

I've tried to find how to do it, but I found only info with full data loss and reinstall Windows, I would like to keep my data and just update Win 10 to 11.

And also I would like Not to use third party software. How can I do it?



Thanks.

Answer
Answer
Hi, I'm Robinson, and I’m happy to help you today.
I know how frustrating this may be for you but I'll do my very best to help you.

You can convert using the MBR2GPT command-line tool, please check these links to see how to use the MBR2GPT tool.
https://docs.microsoft.com/en-us/windows/deploy...

https://www.windowscentral.com/how-convert-mbr-...

Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products).

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Hello,

Windows 10 (1709 and newer) has a built-in utility MBR2GPT.EXE.

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Last updated May 16, 2024 Views 25,375 Applies to: