00112233-4455-6677-8899-aabbccddeeff is encoded as the bytes 00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff.
Com
Com:
Microsoft's marshalling of UUIDs in their COM/OLE libraries, use a mixed-endian format, whereby the first three
components of the UUID are little-endian, and the last two are big-endian
example
00112233-4455-6677-8899-aabbccddeeff is encoded as the bytes 33 22 11 00 55 44 77 66 88 99 aa bb cc dd ee ff
Little
Little:
Big endian encoding of the 128bit
example
00112233-4455-6677-8899-aabbccddeeff is encoded as the bytes ff ee dd cc bb aa 99 88 77 66 55 44 33 22 11 00.
Big endian encoding of the 128bit
00112233-4455-6677-8899-aabbccddeeffis encoded as the bytes00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff.