https://www.telerik.com/products/aspnet-ajax/documentation/controls/clientexportmanager/troubleshooting/ie9-and-safari-compatibility
Telerik Web Forms Client Export Manager Troubleshooting IE9 and Safari Compatibility - Telerik UI...
Check our Web Forms article about IE9 and Safari Compatibility.
client export managerweb forms
https://www.telerik.com/products/aspnet-ajax/documentation/controls/clientexportmanager/how-to/wysiwyg-export
Telerik Web Forms Client Export Manager How To WYSIWYG Export - Telerik UI for ASP.NET AJAX
Check our Web Forms article about WYSIWYG Export.