Acronis recovery media - I'm confused by terminology.
I have 3 computers with UEFI firmware. Each computer has Windows 10 installed on NTFS MBR-partitioned drives.
Acronis documentation on creating recovery media and Microsoft documentation on creating bootable media used terms like "UEFI computer" and "supports UEFI". I have no idea if those terms apply to me. I also have no idea how the format of a bootable recovery medium relates to the format of a bootable drive being recovered.
When I use the Acronis Rescue Media Builder or the MVP Custom Win/PE Builder to create a Win/RE or WinPE system on a USB flash memory drive what kind of device has I created? MBR, GPT, or something else? I vaguely remember a BIOS boot menu displaying the device as both legacy and UEFI. Does it matter which boot technique I use?
On a practical level, if I create full backup, attempt change the C drive from MBR to GPT partitioned devices, and something goes wrong, what kind of recovery options do I have? Do I have to reformat the drive back to MBR partitions or can I recover to a GTP-partitioned drive from a backup of the MBR-partitioned drive?


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Thank you, Steve. That clarified a lot.
I, too, had an old PC with no UEFI support. Since it was my test PC I kept my other two computers using legacy boot. But that old PC was so different from my others that I finally replaced the motherboard (plus CPU and RAM) with something more modern. Now all my computers have UEFI support so I no longer have an excuse to ignore it. I'm scrambling to learn about it.
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