Solution : https://service.sap.com/sap/support/notes/1732470 (SAP Service marketplace login required)
Key words :
file -> options ->trust center -> trust center settings -> trusted locations -> add, hkey_curent_user -> software -> sap -> bex add, trusted locations, security feature introduced, symptom workbooks created, safe folder location, file extension, registry key 'path', registry key, folder path
Related Notes :
| 1629835 | BExAnalyzer: Workbooks cannot be opened in Excel2010/2007. |