Ruby Cloud SDK & REST APIs to build apps for rendering & viewing images, HTML, PDF, Word, Excel, Email, Visio, Project & CAD file formats.... Word: DOC, DOCX, DOCM, DOT, DOTX, DOTM Excel: XLS, XLSX...XML OTP VDX GZIP RAR LESS RST DOT PPSX OST DIB MPX VSSM PS PCL...