Accurately apply text and image-based watermarks to secure PDF, Word, Excel, PowerPoint, ODT, Visio, and image files using .NET & Java watermarking APIs....PPTX, ODT, RTF, TXT, VSD, EML, MSG, PNG, and JPG files in .NET and... XLS, XLSX, PPT, PPTX, VSD, MSG, EML, RTF, TXT, PNG, JPG, TIFF...