GroupDocs.Watermark for .NET provides robust capabilities to add, detect, customize, and remove watermarks across 40+ file formats, including PDFs, Word, Excel, and images....Formats Annotate and watermark EML, EMLX files. HTML and HTM Add...SlideShow 97-2003 ✔️ ✔️ ✔️ ✔️ ✔️ EML Email Message Format ✔️ ✔️ Watermark...