Yes, at least for table data.
Here is most likely the problem:
charset=gb2312
That is Microsoft's (two byte) idea of the National Standard character set (which is not unicode, its row&column of the unicode, code block).
Ref:
https://en.wikipedia.org/wiki/GB_2312
http://www.herongyang.com/Unicode/GB...acter-Set.html
Perhaps you can find a tool that will re-code that document into something other than Chinese Windows coding.