Download DLL C# Class Library to View documents by rendering in various formats (HTML5, image, PDF, etc.) via on-premise .NET API. Supports over 170 formats....Visio®: VDW, VDX, VSD, VSDM, VSDX, VSS, VSSM, VSSX, VST, VSTM...vcf svg jpg eml rtf odt csv vsdx xps dwf emz dcm eps zip vsd...