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The Syncfusion .NET Word library (Essential DocIO) offers powerful and comprehensive APIs to splitting a large Word document into multiple smaller documents programmatically with a few lines of code.

Split Large Document into Multiple Documents

Easily splits the contents of a large Word document into multiple small Word documents programmatically using powerful and comprehensive APIs of Syncfusion .NET Word library (Essential DocIO). Also, allows splitting HTML, RTF, and Text files.

Split by Section

Iterates the document content by section and saves each section as an individual Word document.

Split by Headings

Extracts the content of a heading in the Word document by iterating the document contents and saving the extracted content as an individual Word document.

Split using Placeholder Text

Extracts a part of a document based on placeholder text and saves the extracted content as an individual Word document.

Split by Bookmark

Navigates to a bookmark in the document and retrieves the bookmark content as a separate Word document.



Syncfusion’s file format components helped me create the reports I needed, fast. – J. Pereira, Software Developer.

The libraries have been built from scratch and refined for more than a decade to provide blazing-fast performance, comprehensive API, and compatibility across the latest and older versions of these files.

CONTINUE READING View all Customer Stories


Syncfusion File Format Libraries - Manipulate Excel, Word, PowerPoint, and PDF files

Read and write Excel, Word, PDF, and PowerPoint files. Also includes integrated visualization capabilities. Advanced features include support for pivot tables, pivot charts, mail-merge, and extensive formatting.


Succinctly Series: Statistics Using Excel Succinctly

Succinctly Series: Statistics Using Excel Succinctly

- by Charles Zaiontz


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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