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Typically, when the create partition command is invoked, there's a default alignment of 1024, at least for the Windows 7 version. Say these commands were issued.

select disk 0
clean
convert gpt
create partition efi size=40 offset=1024
format quick fs=fat32 label="System"
create partition primary
format quick fs=ntfs label="Windows"

When I checked for the alignment of the "Windows" partition, it said the offset was 41984kb. However, is it possible to have an align of zero like so?

create partition primary align=0

Then, I'd save an extra megabyte of space and have an offset of 40960, which is still divisible by 1024, making it still optimal for Windows 7?

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If you would be able to change the offset to 0 and therefore let the first partition start at sector 0 where do you want to write the partition table?

hence: No, you can't use offset 0.

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