GroupDocs.Total for .NET is an all-in-one document automation API suite for .NET developers, providing a comprehensive set of tools for working with various document formats, including PDF, Word, Excel, Image, HTML, Diagram, and more....VSD, VDX, VSS, VSSX, VSX, VST, VSTX, VTX, VSDX, VDW, VSTM, VSSM...