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...Type VST VST Template File PDF PDF (Portable Document Format)...