topic Re: Import App: Invalid App message in ArcGIS Web AppBuilder Questions https://community.esri.com/t5/arcgis-web-appbuilder-questions/import-app-invalid-app-message/m-p/326522#M8622 <HTML><HEAD></HEAD><BODY><P>I know why now. I am using IE9 with Portal 10.3.1. But Web AppBuilder for ArcGIS (Developer Edition) does not support using IE8 or IE9 to access the&nbsp; portal with web-tier authentication.</P><P></P><P>Rose</P></BODY></HTML> Wed, 21 Oct 2015 19:17:32 GMT RoseZhou 2015-10-21T19:17:32Z Import App: Invalid App message https://community.esri.com/t5/arcgis-web-appbuilder-questions/import-app-invalid-app-message/m-p/326521#M8621 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>I created an app using Web AppBuilder integrated into Portal for ArcGIS. In Web AppBuilder Developer Edition, I tried to import an app by selecting "Import from my account", could not see it from the list. Then I downloaded the app into a zipped file, and select "import from my computer" , it game me the error message "Invlid App".</P><P></P><P>What is going on here? Any ideas?</P><P></P><P>Rose</P><P>Thanks</P></BODY></HTML> Wed, 14 Oct 2015 15:26:45 GMT https://community.esri.com/t5/arcgis-web-appbuilder-questions/import-app-invalid-app-message/m-p/326521#M8621 RoseZhou 2015-10-14T15:26:45Z Re: Import App: Invalid App message https://community.esri.com/t5/arcgis-web-appbuilder-questions/import-app-invalid-app-message/m-p/326522#M8622 <HTML><HEAD></HEAD><BODY><P>I know why now. I am using IE9 with Portal 10.3.1. But Web AppBuilder for ArcGIS (Developer Edition) does not support using IE8 or IE9 to access the&nbsp; portal with web-tier authentication.</P><P></P><P>Rose</P></BODY></HTML> Wed, 21 Oct 2015 19:17:32 GMT https://community.esri.com/t5/arcgis-web-appbuilder-questions/import-app-invalid-app-message/m-p/326522#M8622 RoseZhou 2015-10-21T19:17:32Z