Steps to Reproduce

1. In Excel 2016, open a blank sheet

2. Save it as the legacy excel format (xls) 

Current Result

Can't import

org.zkoss.poi.hssf.record.RecordInputStream$LeftoverDataException: Initialisation of record 0x896 left 3142 bytes remaining still to be read.

Expected Result

can successfully import it
 

Workaround

use xlsx