GroupDocs.Watermark API allows you to search the possible watermarks placed in any document. You can also search the watermarks that are added using some third-party tool. The found possible watermarks can be removed or their properties can be changed. For more details please refer to the following guides:
Searching watermarks...Editor Product Solution GroupDocs...
Check this guide and learn how to manage document security for PDF, Word, Excel, PowerPoint file types - add password, update password, remove password using GroupDocs.Merger for .NET....Editor Product Solution GroupDocs...
Updating Fields The Recipe Set up source document template path Set up destination report path Instantiate DocumentAssembler class Set options, DocumentAssemblyOptions.UPDATE_FIELDS_AND_FORMULAS Generate report Download Template Get the template from here.
Update field.docx The Code...Editor Product Solution GroupDocs...