Hi Aspose team,
We use v19.4 lib and find a problem. When loading a .xls file using XlsFormat class, it throw an exception(Invalid xls format).
code : var format = new XlsFormat(filePath);
file:OF2013_Book1.zip (2.9 K…...However, we have included the bug fix for your reported issue (logged...our expected time. Yes, the fix that we have provided in v19...