Visio Diagram Java API can load and save variety of formats including VSDX, VDX, VSD, VTX, VSSX, Vsdm, VSTM, PDF, XPS, SVG, EMF, JPEG, PNG, BMP, TIFF and Html....VSTX MS Visio Drawing Template VSDM Visio Macro-Enabled Drawing...or Multi-Page TIFF Image HTML HTML Format Feature List...