The system accepts the following file types: PDF, DOC, DOCX, XLS, XLSX, PPT, PPTX, TXT, TIF, PNG, JPEG, GIF, MP3, WAV, AAC, WMA, MPEG-1, MPEG-2, MPEG-4, WMV, AVI, MOV. File type other than audio or video files will be converted to PDF.