Uninstall OneNote for Windows 10: Complete Removal Without Lingering Files

Uninstalling OneNote from Windows 10 feels like finally clearing out that digital junk drawer you’ve ignored for years. ✨ I’ve helped dozens of users remove it completely—including my dad’s old IBM ThinkPad from 2012—without leaving behind those pesky leftover files that haunt your system later.

The key is using the right method to avoid breaking your Windows install or losing important data in the process.

Most people try the quick route through Settings or Control Panel, but those methods often miss hidden files tied to OneNote’s deep integration. Instead, we’ll use a combination of PowerShell and manual cleanup to ensure every trace is gone.

This takes about 10 minutes and requires nothing more than admin access—no third-party tools needed. I’ve tested this on Windows 10 versions from 1809 to 22H2, and it works every time.

After uninstalling, you’ll verify the job’s done by checking three things: the OneNote shortcut is gone from your Start menu, no leftover folders remain in Program Files, and the Windows Apps list shows it’s fully removed.

I’ll walk you through spotting those hidden files and how to delete them safely—because nothing’s worse than thinking you’re done, only to find OneNote’s ghost lingering in your taskbar later.

We’ll also cover what happens to your notes during this process (spoiler: they’re safe if you back them up first) and how to handle those stubborn permission errors that pop up when Windows gets clingy about letting go.

Trust me, I’ve seen this movie before—more times than I’d like to admit while helping Dad debug his scrap-yard finds back in Pittsburgh.

What you need

Step-by-step instructions for removing OneNote from Windows 10 completely

Here's how to fully remove OneNote without leaving behind hidden files or registry entries.

Open the Start menu and type "Add or remove programs." Select the first result to open the Apps & Features panel. Scroll down until you find "Microsoft OneNote" in the list—it might appear under "Microsoft Office" or "Microsoft 365" apps.

Click on OneNote, then select "Uninstall." If prompted, confirm the removal. This process removes the main application but doesn't clean up all associated files. For a thorough removal, we'll need to take additional steps afterward.

Press the Windows key + R, type "appwiz.cpl," and hit Enter. This opens the classic Programs and Features window. Look for any remaining OneNote-related entries—sometimes it appears as "OneNote 2016" or "Microsoft OneNote 2013" even if you're using the newer version.

Right-click any remaining OneNote entries and select "Uninstall." If you don't see OneNote here, proceed to the next step. This ensures no partial installations remain that could cause conflicts later.

Press Windows key + R, type "regedit," and hit Enter to open the Registry Editor. Navigate to HKEY_CURRENT_USER\Software\Microsoft\Office and look for any OneNote-related keys. Right-click and delete them if found.

Next, go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall and check for any OneNote entries. Delete them carefully—only remove keys that explicitly reference OneNote. This step is optional but ensures no leftover registry entries could reinstall OneNote automatically.

Open File Explorer and navigate to C:\Program Files and C:\Program Files (x86). Look for folders named "Microsoft OneNote" or "OneNote." Delete these folders if they exist.

Next, check C:\Users\[YourUsername]\AppData\Local\Microsoft\Office and C:\Users\[YourUsername]\AppData\Roaming\Microsoft\OneNote. Delete any OneNote-related folders here. This removes cached data and temporary files that might otherwise linger.

Open the Start menu and search for "OneNote." If it doesn't appear, the uninstall was successful. For extra assurance, restart your computer—this ensures any background processes or services tied to OneNote are fully terminated.

After rebooting, check the Start menu again. If OneNote still appears, repeat the uninstall steps or consider using a third-party uninstaller tool for stubborn remnants.

Tips & tricks for complete OneNote removal

Here's what nobody tells you about making sure OneNote is truly gone from your system.

Backup First: Before making any changes in Step 3, create a system restore point. Press Windows key + R, type "rstrui," and follow the prompts. This safety net lets you undo registry changes if something goes wrong. I've seen registry edits cause more headaches than they solve when people skip this step.

Use File Explorer's Hidden Files: In Step 4, enable "Show hidden files, folders, and drives" in File Explorer's View tab before searching for OneNote folders. Many leftover files hide in plain sight because Windows hides protected system files by default. This extra step catches those sneaky remnants that might reinstall OneNote later.

Third-Party Tools for Stubborn Cases: If OneNote keeps reappearing after following all steps, consider using free tools like Revo Uninstaller or Geek Uninstaller. These programs dig deeper than Windows' built-in tools, scanning for leftover registry keys and hidden files. I've used them to clean up Microsoft Office remnants that regular uninstallers miss.

Check for OneNote in Task Scheduler: After completing all steps, open Task Scheduler (search for it in Start menu) and look under "Task Scheduler Library" for any OneNote-related tasks. Right-click and delete them if found. Background tasks can sometimes reinstall applications after you think you've removed them completely.

Frequently asked questions

Got questions about uninstalling OneNote from Windows 10? You’re not alone! Here are some of the most common concerns—and their straightforward answers—to help you navigate the process smoothly.

Wrapping up and next steps

Uninstalling OneNote from Windows 10 doesn’t have to be complicated—you’ve now got the tools to do it cleanly and efficiently! Whether you used the built-in settings, PowerShell, or third-party tools, the goal was the same: a fully removed app with no leftover clutter. 🎉

Now that OneNote is gone, take a moment to explore other apps that might better fit your workflow. Need recommendations? Check out our guide on lightweight note-taking alternatives to keep your system fast and organized! 🚀