The best course of action here Roger is to raise a bug report through Bugzilla - https://issues.apache.org/bugzilla/buglist.cgi?product=POI
When you do so, can you please include the simplest possible test case that illustrates the problem; an Excel workbook with a cell whose contents cause this problem and ideally a simple class that opens the workbook, tries to access the cell and, again, illustrates that the isCellDateFormatted() method returns an incorrect value? Also, explain again if you would that the problem seems to have emerged between the two versions of POI you listed in this posting, a pain I know but the more information the developers have the better. Just as a side note, POI is an entirely voluntary project, no one os paid to support the code, they do so in their spare time. Further, the developers are in different countries around the world and may well have been at home, asleep when you posted your question. Yours Mark B -- View this message in context: http://apache-poi.1045710.n5.nabble.com/Problem-in-POI-3-8-deal-with-Date-Type-data-tp5710772p5710820.html Sent from the POI - Dev mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@poi.apache.org For additional commands, e-mail: dev-h...@poi.apache.org