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How to Fix OneNote Out of Storage Error When OneDrive Has Space

Maira MehtabMaira Mehtab Sep 22, 2026 873 views

Question details

The user is experiencing an out-of-storage error in OneNote despite having sufficient remaining space in their linked OneDrive account.

Product
Microsoft OneNote
Device & OS
not provided
Scenario
Syncing or saving notebooks in OneNote while connected to a OneDrive account.
Observed behavior
OneNote displays a storage full error and fails to sync, even though OneDrive reports only 48% usage. Restarting the application or using the web version does not bypass the error.
Before you start

Ensure you have your Microsoft account login credentials handy, as you will need to access the web version of OneDrive to manage your cloud storage recycle bin.

Solution 1Recommended

Empty Your OneDrive Recycle Bin via the Web

Clear out hidden deleted files in OneDrive that may be secretly consuming your Microsoft account's storage quota and causing OneNote sync issues.

Microsoft services share a unified storage quota across OneDrive, Outlook, and OneNote. Often, files that have been deleted are held in the cloud recycle bin, continuing to consume space and causing conflicting storage reports between different applications.

1
Sign in to OneDrive

Open your web browser, navigate to the official OneDrive website, and log in with the Microsoft account associated with your OneNote notebooks.

2
Access the Recycle Bin

Click on the 'Recycle bin' option located in the left-hand navigation pane of the OneDrive web interface.

3
Empty the Recycle Bin

Click the 'Empty recycle bin' button at the top of the page to permanently delete all contents and free up the hidden storage.

4
Restart and Sync OneNote

Relaunch the OneNote application on your device and manually trigger a sync to verify the storage error is resolved.

Storage Quota Update Delay: It may take a few minutes for your Microsoft account to recalculate the available storage after emptying the recycle bin. If OneNote still shows the error immediately, wait 5 to 10 minutes and try syncing again.
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Frequently Asked Questions

Why does OneNote say my storage is full when OneDrive shows only 48% usage?

OneNote relies on the shared storage quota of your entire Microsoft account. Even if active files only take up 48% of the space, items sitting in the OneDrive recycle bin or Outlook deleted items folder can consume the remaining quota unseen, triggering an out-of-storage error.

Does the OneNote application have its own recycle bin?

Yes, OneNote retains deleted pages and sections in a dedicated 'Notebook Recycle Bin' for 60 days before permanent deletion. You can access it via the 'History' tab in the desktop application to manually clear it.

How can I check the exact size of my OneNote notebooks?

You can check the file sizes of your notebooks by logging into OneDrive via a web browser, navigating to the 'Documents' folder where the notebooks are stored, and switching the view mode to 'List'.

Will emptying the OneDrive recycle bin delete files currently on my PC?

No, emptying the OneDrive recycle bin on the web only permanently deletes files that were already removed from your synced folders. It does not affect active files currently stored on your computer or in your active OneDrive directories.