GroupDocs team is happy to release another Document Annotation API version, where new file formats are introduced in supporting Document format list and also new features are introduced . The latest GroupDocs.Annotation for .NET 17.5.0 API now provides support to annotate HTML and Email file formats along with Improvements and Fixes. We recommend our user to download the latest API release to use new exciting features and enhance their application with GroupDocs....happy to release another document annotation API version, where new...are introduced in supporting document format list and also new features...