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The Syncfusion WinUI Word Library (Essential DocIO) offers powerful and comprehensive APIs to create, read, and edit Word documents programmatically in WinUI applications. It works in most real-world scenarios for processing Word documents faster in a batch process without Microsoft Office or interop dependencies.

Create Word Documents

Easily create a Word document with all the basic elements using the intuitive document object model (API).

Word document.

Create Word Documents from a Template

Design a template Word document using Microsoft Word with necessary placeholder text and easily automate to replace the placeholder text present in the template document with data in a batch process. Use built-in features like mail merge, form filling, and more.

Word document created from template using mail merge.

Merging and Splitting Documents

The Syncfusion WinUI Word Library offers several built-in features to create Word documents by merging and splitting Word documents.

Key Features:

  • Import a part of a document and insert into the same or a different document with several formatting options.
  • Merge two or more documents into a single Word document.
  • Find the placeholder text or text pattern and replace it with a part of a document or an entire document.
  • Retrieve the bookmark content and save it as a new document or merge it into an existing document.
  • Create multiple small documents by splitting a large document based on sections or placeholder text.

Word document created by merging documents.

Create from HTML Contents

Easily create Word documents from XHTML 1.0-complaint HTML contents in the following ways:

  • Convert HTML files to Word documents with two lines of code.
  • Import HTML contents to a specified location in an existing Word document.
  • Replace placeholder text with HTML content.
  • Navigate to a bookmark in a document and replace its content with HTML content.

Word document created by importing HTML content.


File Formats
Developer Platform
Unlimited Global License

Developer Platform

Essential Studio

$ 2,495

Per developer 1st year

Includes 1,700+ Controls
Best Value

Unlimited Global License

Cover everyone in your organization for one low annual fee


File Formats

$ 995

Per developer 1st year

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File Formats
Developer Platform
Unlimited Global License


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.

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