OneNote Online Unlocker

Unlock OneNote notebooks, files using our web app

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Drag and drop file here

By uploading your files or using our service you agree with our Terms of Service and Privacy Policy

If you do not need your OneNote files to be protected with the password anymore you may want to unsecure them. In this case, the people you share the documents with can open and use them easily.

With this application the procedure is really fast and does not require any additional software to be installed. It is a free online application with a user-friendly interface. Just upload OneNote data sets, type in their password, and unlock them.

Please learn the Documentation chapter if you want to have the functionality of the Unlocker in your project.

  • Supported files with .one and .onenote extensions.
  • You can use it in your own apps and integrate the Unlocker functionality into your C# .NET projects.
  • High-performance application with native APIs.
  • 100% private on-premise APIs. Everything is processed at our own servers.

How to unlock OneNote

  • To add a file click anywhere in the blue area or on the Browse for file button to upload or drag and drop it. You can also add the document by entering its URL in the URL cell.
  • Enter the password.
  • Click on the Unlock button.
  • You will get the resultant as soon as the action is performed.
  • To reset the selection or start over click the cross in the right upper corner of the Drag and drop area.
  • To start over click the Return back to the application button.

  • How can I unlock OneNote files?First, to add them click anywhere in the blue area or on the Browse for file(s) button to upload or drag and drop them. Then type password and press Unlock button. When processing is completed, you will be able to download result file.
  • How long does it take to unlock OneNote?The Unlocker works fast. The process takes a few seconds.
  • Is it safe to use this free web Unlocker?Sure! Uploaded data is deleted and is no longer valid in 24 hours. No one else has access to it. It is absolutely safe.
  • Can I use the app on Windows, Linux, Mac OS or Android?Yes, you can use it on any operating system that has a web browser. Our solution works online and does not require any software installation.
  • What browser should I use?You can use any modern browser, for example, Google Chrome, Firefox, Opera, Safari.
  • Fast and Easy Unlocker

    Upload your OneNote file, and click on the Unlock button. You will get the download link as soon as it is unlocked.
  • Unlock from Anywhere

    It works from all platforms including Windows, Mac, Android, and iOS. Everything is processed on our servers. No plugin or software installation is required for you.
  • Unlocker Quality

    The functionality works using Aspose APIs, which are being used by many Fortune 100 companies across 114 countries.
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