Microsoft largely documented the file format here: https://msdn.microsoft.com/en-us/library/office/cc313153(v=office.12).aspx https://msdn.microsoft.com/en-us/

Microsoft largely documented the file format here: https://msdn.microsoft.com/en-us/library/office/cc313153(v=office.12).aspx https://msdn.microsoft.com/en-us/library/office/cc313153(v=o...