Windows 10: Change MBR to GPT without data loss

Hi,I have multiple SSDs and external HDD connected to PC. All are MBR. SSD with Win 10 installed have two partitions. I wanted to upgrade to Win 11 and I have supported HW check in PC Health utility but I need to enable Secure Boot which I cant do because of MBR if I understood correctly. If not please correct me.Since I have lot of data on pc obviously I would like to convert without data loss or corruption on either of disks.I have 3 questions: 1. Is it possible to convert from MBR to GPT without data loss and preferably with native Windows/Microsoft tool?2. Is it enough to convert only SS

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Convert MBR to GPT without data loss?

You can use AOEMI Partition Assistant, a freeware that allows you to
convert MBR to GPT without data loss. If you want to have a 100% security, you can backup your whole disk with the brother product - AOMEI Backupper.

 

Convert MBR to GPT without data loss?

Hi there,

You can use the software Active@ Partition Manager to convert from MBR to GPT, this software is free to use.

My understanding is that it does this without data loss (I have done so on a test server, creating an MBR drive, filling it with data and then converting to GPT without any documents disappearing)

 

Convert only one partition on the disk from MBR to GPT

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Convert MBR to GPT without data loss