You may find that the option to upload files to your Concrete5 website has mysteriously disappeared. Here is a quick How-To to make them auto-magically reappear.
flv, jpg, gif, jpeg, ico, docx, xla, png, psd, swf, doc, txt, xls, xlsx, csv, pdf, tiff, rtf, m4a, mov, wmv, mpeg, mpg, wav, avi, m4v, mp4, mp3, qt, ppt, pptx, kml, xml
Go to Da… http://poczta.wagdi.co.uk/index.php/blog/add-files-feature-missing-in-the-file-manager/