We use cookies to give you the best experience on our website. If you continue to browse, then you agree to our privacy policy and cookie policy. Image for the cookie policy date
Unfortunately, activation email could not send to your email. Please try again.
Syncfusion Feedback


A high-performance and feature-rich framework to perform advanced Word document processing operations faster without Microsoft Office or interop dependencies. This framework offers a Word creation and editing library that allows you to create, read, and edit Word documents programmatically in WinUI applications. Its powerful conversion APIs make it easy to convert Word documents to PDF, HTML, RTF, and ODT formats. It also offers advanced editor components to view, edit, and print Word documents in your applications.

Overview diagram of WinUI Word framework.

Why Syncfusion?

Powerful and comprehensive APIs

All the elements in a typical Word document like text, formatting, images, shapes, and tables are accessible through a comprehensive set of APIs.

Proven word-processing solution

The Syncfusion Word Library (Essential DocIO) is a mature, proven product used in mission-critical applications for over 10 years.

Fully documented

The Syncfusion WinUI Word framework comes with extensive documentation, a knowledge base, and samples. It only takes a few lines of code to create, view, or edit richly formatted Word documents.


WinUI Word Framework provides a single, uniform API across all platforms.

Word: creation and editing APIs

Create Word documents from scratch with text, formatting, images, shapes, tables, and more. Edit a Word document with just a few lines of code.

Mail merge in WinUI Word documents.

Mail merge

Generate reports like invoices and payroll by performing mail merge faster in a batch process without Microsoft Office or interop dependencies.

Merge multiple WinUI Word documents.

Merge documents

Merge multiple documents into a single document by importing content with several formatting options, like using destination styles and keeping source formatting.

Split Word document into multiple small documents in WinUI.

Split documents

Split a document into multiple smaller documents based on sections, placeholder text, or any document element.

Edit bookmark contents in WinUI Word documents.

Edit bookmark contents

Navigate to a bookmark in a document and insert, edit, retrieve, or delete its content. The framework also supports replacing bookmarked content with text, part of a document, or an entire document.

Find and replace text in WinUI Word documents.

Find and replace

Find text or text patterns using regular expressions, and then highlight or format it. You can also replace the text or text pattern with other text, a part of a document, or an entire document.

Tables in WinUI Word documents.


Create, edit, and format simple and nested tables in a Word document. Polish the appearance of tables by applying built-in styles and conditional styling options.

Styles and formatting in WinUI Word documents.

Styles and formatting

Customize the appearance of the document with several formatting options at the text level and paragraph level: add bullets and numbering, create styles, and more.

Form filling in WinUI Word documents.

Form filling

Create fillable forms with legacy form fields and content controls in Word documents. Then, fill the form and extract the data from the form fields effortlessly.

For more information, check out our WinUI Word Library features.

Word conversions

The WinUI Word framework can convert Word documents into PDF, RTF, TXT, HTML, and ODT formats. Also, it can convert RTF, TXT, and HTML files into Word documents.

Word documents to PDF conversion in WinUI

Word to PDF

Convert Word documents to PDF for printing and viewing in a portable format. Various customization options are also supported.

Convert Word documents to images in WinUI

Word to image

Convert Word documents to images (PNG, BMP, JPEG) for printing and viewing without any Word document viewer dependencies.

Convert Word documents to RTF and vice versa.

Word to RTF

Convert Word documents to RTF for reading and editing rich text independently with any rich text editor. Also, convert RTF files to Word documents.

Convert Word documents to text and vice versa.

Word to Text

Convert Word documents to plain text for reading and editing text. Also convert text files to Word documents.

Convert Word documents to HTML and vice versa.

Word to HTML

Convert Word documents to HTML for viewing and printing HTML content with any browser. You can also convert XHTML 1.0-compliant HTML files to Word documents.

Convert Word documents to ODT format.

Word to ODT

Convert Word documents to open document text (ODT) format. This format is used for maintaining the documents’ interoperability with word-processing applications like OpenOffice Writer.

WinUI Word Code Example

Easily get started with the WinUI Word Library using a few simple lines of C# code example as demonstrated below. Also explore our WinUI Word Library Example that shows you how to create and configure the WinUI Word.

using Syncfusion.DocIO;
using Syncfusion.DocIO.DLS;
using System.IO;
using System.Reflection;

//Create a new document.
using WordDocument document = new();
//Add a new section to the document.
//Appends text to the last paragraph of the document
document.LastParagraph.AppendText("Hello World");
//Save the Word document to stream.
using MemoryStream outputStream = new();
document.Save(outputStream, FormatType.Docx);
//Save the stream as a Word document file in the local machine.
Save(outputStream, "Sample.docx");

Frequently Asked Questions

  • Create Word Documents from scratch.
  • Open, modify, and save existing Word documents.
  • Advanced Mail merge support with different data sources.
  • Ability to create or edit Word 97-2003 and later version documents, and convert them to commonly used file formats such as RTF, TXT, HTML, and vice versa.
  • Export a Word document to PDF file.
  • Create and manipulate charts, shapes, and group shapes in DOCX and WordML format documents.
  • Read and write built-in and custom document properties and find and replace text with its original formatting.
  • Insert bookmarks and navigate corresponding bookmarks to insert, replace, and delete content.
  • Insert and edit the form fields and protect the document by restricting access.
  • Encrypt and decrypt Word documents.
  • One of the best WinUI Word libraries on the market, offering a rich set of APIs to interact with the software.
  • Insert and extract OLE objects and run the DocIO applications in multi-thread and with thread safe program.
  • Extensive demos and documentation to learn quickly and get started with the WinUI Word Library.

No, this is a commercial product and requires a paid license. However, a free community license is also available for companies and individuals whose organizations have less than $1 million USD in annual gross revenue and five or fewer developers.

A good place to start would be our comprehensive getting started documentation.

Apart from WinUI, the Syncfusion Word Framework supports platforms for web (Blazor, ASP.NET Core, ASP.NET MVC, ASP.NET Web Forms, and Java), mobile (.NET MAUI, Xamarin and UWP), and desktop (Windows Forms, WPF, .NET MAUI, Xamarin, and UWP).

You can find our WinUI Word Framework demo here.


Greatness—it’s one thing to say you have it, but it means more when others recognize it. Syncfusion is proud to hold the following industry awards.

Scroll up icon
Live Chat Icon For mobile