WP Attach allows you to attach files to posts or pages as an information box by using the shortcode [wpattach link=”LINK_TO_YOUR_FILE”]. Filetypes supported includes: .jpg .png .mp3 .mp4 .pdf .ae .ai .avi .css .doc .docx .docs .dw .eps .fl .fla .fw .html .id .ps .psd .ppt .pptx .xls .xlsx .slides .sheets