Reliable .NET OneNote API to Create & Process OneNote Files

Build professional solutions to manipulate OneNote documents with Aspose .NET API for OneNote. Accurately convert OneNote documents to PDF, JPG, PNG, and BMP files.

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Empower Your Apps with Effortless OneNote Manipulation

Aspose.Note for .NET is a robust API for Microsoft OneNote document processing. It boasts a comprehensive feature set and equips the developers to proficiently create, modify, and export OneNote documents to different file formats. It also enables accessing and manipulating the elements within the files. Developers can programmatically access, insert, or retrieve text and images in the OneNote file. You can start building automation tools for OneNote using the .NET API by leveraging its advanced features and integration capabilities.

The .NET OneNote API offers greater flexibility in reviewing the document object model of the documents. Users can access the file content, add required modifications, and save the file. Importantly, it lets users manipulate certain sections of the file if programmatically manipulating the whole document isn’t needed. Developers can work with text and images on specific document pages and save them to one of the supported file formats. Empower your OneNote manipulation apps by extending OneNote functionality through .NET API for OneNote files and effortlessly converting OneNote to PDF, JPG, PNG, and BMP formats.

Getting Started

Please review the following information to help set up the .NET API for OneNote files. For a list of prerequisites before installing the .NET OneNote library and enjoying a great user experience, please visit the System Requirements page.

Aspose.Note for .NET Installation

For installing Aspose.Note for .NET API, please download the MSI installer or DLLs from the downloads section. Or, you can utilize the NuGet package of the .NET OneNote automation API to install it. Please use the following command in the Visual Studio package manager console to set up the API:

PM > Install-Package Aspose.Note

Accurately Convert & Share OneNote Files in .NET

Aspose.Note for .NET API supports converting OneNote files to multiple formats such as PDF, PNG, GIF, BMP, JPEG, and TIFF. It only takes a few lines of .NET code for files to convert to a format of your choice. You can automate the process by developing applications to render OneNote text and images to raster images and PDF files using the OneNote API for .NET document manipulation.

How to Convert OneNote to PDF in .NET

PDF is the standard file-sharing format for different platforms and devices. Exporting any document to PDF makes it possible to conveniently share, access, and render it. Aspose.Note for .NET API is a great OneNote alternative, and it supports converting OneNote to PDF documents. The following steps and sample code will help you convert OneNote to PDF. It must be noted that this example highlights converting existing OneNote documents and not creating a .ONE file from scratch before converting it:

  • Load a OneNote file using the Document class.
  • Save the file as PDF using the Save method. It takes the output (PDF) file path and SaveFormat as arguments.
// This code example demonstrates how to convert an existing OneNote to PDF.
// Load the document into Aspose.Note.
Document oneFile = new Document("Sample1.one");
// Save OneNote to PDF
oneFile.Save("Sample1_out.pdf", SaveFormat.Pdf);

Convert OneNote to Raster Images in .NET

The superior feature set of the .NET OneNote automation API includes converting OneNote to JPEG, PNG, BMP, and other raster images. Converting to images is an easy way to share and store document information. Raster image formats are generally supported across all major OS, mobile platforms, and browser applications, so exporting files to images is also useful in collaboration and storage. The following steps and information show how to convert OneNote to JPG:

  • Load the input OneNote (.ONE) file with the Document class.
  • Save it as JPEG image using the Save method. It takes the output JPEG file path and SaveFormat as method arguments.
// Load the input Note (.one) file using the Document class.
Document oneFile = new Document("Aspose.one");
// Save output JPG image.
oneFile.Save("JpegImage_out.jpg", SaveFormat.Jpeg);

Please visit the Aspose.Note for .NET API GitHub examples page for more working code samples. We provide Free Online OneNote Manipulation Apps to view, convert, and unlock Microsoft OneNote documents on the go using your mobile devices. Please feel free to check out the online apps.

Powerful .NET API to Export, Print, and Manipulate OneNote Documents

Aspose.Note for .NET is the ideal choice for developers looking to integrate OneNote document manipulation features into their apps. Users can programmatically load and edit OneNote documents using the standalone OneNote API for .NET. Each step of the OneNote file processing cycle is simplified, so the developers require minimum coding to export and print OneNote files. This reliable .NET API complies with international standards and allows you to build automation tools for Microsoft OneNote without worrying about compliance issues. Aspose.Note for .NET is an excellent OneNote automation alternative and does not require installing Microsoft Office OneNote to process files. It lets you independently manipulate OneNote documents within your .NET document processing apps or develop new solutions from scratch.


1. How can I convert OneNote to PDF in .NET?

Converting OneNote to PDF in .NET is quick and easy using the .NET OneNote API. Only a few lines of .NET coding are needed to convert Microsoft OneNote (.ONE) to PDF, JPEG, GIF, TIFF, BMP, and PNG formats.

2. How long it takes to process OneNote files and convert them to PDF or image files?

The OneNote API for .NET works fast and completes your OneNote document editing, conversion, and processing requests in no time.

3. Is it safe to process Microsoft OneNote files using the .NET API?

You can be sure of the security of your data files while processing them using the OneNote manipulation API for .NET. We ensure the privacy of your data and take all required measures to provide you with a secure user experience.

4. Can I process Microsoft OneNote files on different platforms?

Yes, the OneNote processing API for .NET works across different 32-bit and 64-bit Windows OS, .NET frameworks, and development environments. You can use it on the platform of your choice and it does not require any additional software installation to function.

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