Npoi导入时：Found EOFRecord before WindowTwoRecord was encountered

Firstly, open the file using Excel and then simply re-save it. Does this
clear up the problem? If so then yes, it is likely that the file does not
conform with the specification.

把excel打开，保存一下，就可以了

原文：http://www.cnblogs.com/forthelichking/p/4600436.html