Rendering Microsoft Files in Using Office Web App.

NSString *fileUrl;// .doc .docx, .ppt, .pptx, .xls, .xlsx files
fileUrl=[fileUrl stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
[webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"http://view.officeapps.live.com/op/view.aspx?src=%@",fileUrl]]]];