SaveAndView ( "Sample.docx", "application/msword", stream ) //Please download the helper files from the below link to save the stream as file and open the file for viewing in Xamarin platform // Close () //Save the stream as a file in the device and invoke it for viewing Xamarin. Bold = true //Saves the Word document to MemoryStream MemoryStream stream = new MemoryStream () document. GetAsOneRange () //Sets bold formatting range. OwnerParagraph, "paragraph", true, false ) //Gets the found text as single text range WTextRange range = textSelection. Yellow //Finds the next occurrence of a particular text from the previous paragraph textSelection = document. Text = "Replaced text" //Sets highlight color textRange. GetAsOneRange () //Modifies the text textRange. Find ( "as graphical contents", false, true ) //Gets the found text as single text range WTextRange textRange = textSelection. Docx ) //Finds the first occurrence of a particular text in the document TextSelection textSelection = document. GetManifestResourceStream ( "" ), FormatType. Assembly WordDocument document = new WordDocument ( assembly. Loads the template document Assembly assembly = typeof ( App ). Position = 0 //Download Word document in the browser return File ( stream, "application/msword", "Sample.docx" ) ReadWrite ) WordDocument document = new WordDocument ( fileStreamPath, FormatType. Loads the template document FileStream fileStreamPath = new FileStream ( "Template.docx", FileMode. Close () //Please refer the below link to save Word document in UWP platform // Docx ) //Saves the stream as Word file in local machine Save ( stream, "Sample.docx" ) //Closes the document document. Bold = true //Saves the Word file to MemoryStream MemoryStream stream = new MemoryStream () await document.