Troubleshooting Unsupported Features/Corruption in Excel Services & Office Web Apps Server 2013

Our team has seen an influx of cases where Office Web Apps Server 2013 is functioning on a global scale (all workbook books are opening in the WOPIFrame), but for some reason (Unsupported Features) workbooks cannot be opened in the browser and the below message is thrown: We have also seen these errors which is most…


How can I tell I am using Office Web Apps Server 2013?

Many users ask the question, "How can I tell if I am using Office Web Apps 2013 versus a SharePoint Service Application (like Excel Services)?".  To answer that, you need to look at the URL of the document when you open it in the browser.            Office Web Apps Server 2013 uses the "WOPIFrame.aspx": Note: If…