Wait is over now, GroupDocs team is glad to announce another exciting monthly release where in supported document formats list, Presentation file format is introduced. The latest GroupDocs.Annotation for .NET 16.10.0 API provides support for all major annotation types (Highlight Text, Area Annotation, and Strikeout etc) for Presentation file format along with improvements and fixes. We recommend that download the latest API release to add new exciting features and enhance your application with GroupDocs....store annotation author when export annotation for PDF documents...