[[MxOf]] is a data section that appears early in most [[SI files]]. It appears to be an index of the byte offsets in the file indicating the starting positions of each [[MxSt|file stream]].
== Specification ==
{{Incomplete}}
{| class="wikitable"
|-
! Bytes !! Offset !! Description
|-
| "MxOf" || 0 || 4-byte data identifier
|-
| Chunk Size || 4 || 4-byte integer specifying the size of this chunk minus the first 8 bytes
|-
| ''Total List Size?'' || 8 || 4-bytes whose purpose may be the total number of indices/byte offsets, but is not entirely clear yet
|-
| Offsets || 12 || The rest of the data are continuous 4-byte integers indicating the byte offsets where MxSt streams start.
|}