This article explains how to add document to Presentation via OLE with GroupDocs.Merger within your .NET applications....Assembly Product Solution GroupDocs...
This article demonstrates how to convert document presented as stream using GroupDocs.Conversion for Java API....Assembly Product Solution GroupDocs...
The page describes how to load PDF, Word, Excel, PowerPoint documents from URL using GroupDocs.Annotation for .NET....Assembly Product Solution GroupDocs...
This article explains how to e-sign VBA macros in the excel document using .Net C# with GroupDocs.Signature API....Assembly Product Solution GroupDocs...
This article explains how to sign Spreadsheet document with XAdES Digital electronic signatures using advanced options with GroupDocs.Signature API....Assembly Product Solution GroupDocs...