Support for Excel 2013 Post author:paulm Post published:March 17, 2014 Post category:Release We have added a set of reports using the Excel XLSX format (in addition to the existing XLS format). These allow for better integration with Microsoft Office 2013 which expects all Excel documents to be in the XLSX format. You Might Also Like Download Offline Maps July 31, 2017 Add GPS coordinates to site plans October 17, 2016 OTISS Version 1.5 June 29, 2012