Word 2000 to 2003 or higher conversion

[oao]

I am writing a book using Word 2000 to write and I am happy with it.

However, I need to convert the manuscript to Lyx for typesetting and the conversion program only works with 2003 and higher.

Is there any way I can convert the 2000 manuscript to 2003 or higher for the conversion?

I do not have access to a higher version of Word and I cannot read the ms into that.

Thanks.