How to Use Aspose.Words Instead of NPOI

When a user needs to programmatically create, modify, and manage documents, it is always important to choose the right tool that suits the specific document development needs. This article aims to help developers make the right decision when comparing Aspose.Words and NPOI.

It is worth noting again that Aspose.Words for .NET enables you to perform a wide variety of document processing tasks directly in your .NET applications. With Aspose.Words, you can create, modify, convert, display, and print documents without using Microsoft Word.

You can read more about the requirements and next steps on this page.

Check Requirements and Prerequisites

This section lists the environment and system requirements.

Supported Operating Systems

You can find the information on supported operating systems in the “Supported Operating Systems” section of the System Requirements article.

Supported Frameworks

You can find the information on supported operating systems in the “Supported Frameworks, Specifications, and Implementations” section of the System Requirements article.

Download and Install the Latest Aspose.Words

To start the project, you need to download and install the latest version of Aspose.Words for .NET.


You can download the latest Aspose.Words at:


You can find the information on how to install Aspose.Words for .NET on the “Installation” page.

Get Started with Aspose.Words

After learning the Installation page and completing the required steps, you are ready to start working with Aspose.Words.

Explore the Getting Started section to familiarize yourself with the basic requirements and capabilities and the Developer Guide section to learn about various practical use cases – how to achieve a certain document appearance, how to apply a particular function, and so on.

Some use cases can be implemented using NPOI, but many of the more regular tasks are easier and faster to implement using Aspose.Words.

Aspose.Words provides source code examples for features missing in NPOI on the Features missing in NPOI page.

Technical Support

We offer free support. Anyone who uses our product, whether they have bought it or are using an evaluation, deserves our full attention and respect.

You can log any issues or suggestions related to Aspose.Words using any of the following platforms:

Extend and Contribute

Aspose for NPOI is open source and its source code is available on our GitHub. Developers are encouraged to download the source code and extend the functionality as per their own requirements.