So you created a raw format and now you realise that you want a change. Your wishing you just used a more flexible format.

Lucky is super easy to change from raw to almost anything with qcow-img

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qemu-img convert -f raw -O qcow2 Winblows.img Winblows.qcow2

Piece of piss

qemu-img is a super useful tool allowing you to manipulate heaps of different formats.

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Supported formats: host_cdrom host_floppy host_device raw nbd parallels qcow2 vvfat vpc bochs dmg cloop vmdk qcow cow