GroupDocs.Watermark for .NET provides robust capabilities to add, detect, customize, and remove watermarks across 40+ file formats, including PDFs, Word, Excel, and images....✔️ ✔️ ✔️ ✔️ DOCX Office® Open XML Word®processingML Document ✔️...✔️ ✔️ ✔️ ✔️ DOCM Office® Open XML Macro-Enabled Document ✔️ ✔️...