Learn how to download and reinstall OneNote for Windows (formerly called OneNote 2016) if it is missing from your Office 2019 installation. Follow the steps to match your OneNote version with your Microsoft 365 or Office 2019 license.

In the Run dialog box that opens, click the Browse button, and then navigate to the ONENOTE.EXE file on your computer's hard drive. By default, the ONENOTE.EXE file is located in the C:\Program Files\Microsoft Office\root\Office16 folder.

To keep up to date with the latest OneNote features, get OneNote from the Microsoft Store or as part of Microsoft 365. Here are some things to try when you're running into general errors while trying to open and sync your shared notebooks. How do I open notebooks created in an earlier version of OneNote?

When you try to open your notebook in OneNote 2016 (or in OneNote 2013 or 2010) on Windows 10, you see no content in your notebook, only a gray background. In addition, you may see the following error message: This notebook may not sync correctly because another program is syncing these files.

Follow the recommendations in this article to troubleshoot sync issues in OneNote for Windows and macOS.

OneNote is available on multiple platforms: Want more than OneNote? Try Microsoft 365. For more information like system requirements visit the Microsoft Store OneNote page.

Get answers to all of your OneNote questions with our how-to articles, training videos, and support content.

Send to OneNote lets you capture information from any app and send it to a page in OneNote for Windows 10.

Describes a security update that fixes vulnerabilities in Microsoft Office. The most severe of these vulnerabilities could allow remote code execution if a user opens a specially crafted Microsoft Office file.

To help you resolve this, try the solutions below. We've listed the most common solutions first so try the steps in the order they're listed. Make sure Office is updated to Version 2102 (Build 13801.20808) or later. If you're not setup for automatic updates do the following: