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How to Fix OneNote 365 Search Not Finding Text in All Notes

Natalie TaylorNatalie Taylor Oct 20, 2026 871 views

Question details

The user is unable to find specific text across all notes using the search function in OneNote 365, despite attempting to trigger reindexing by clearing the cache.

How to Fix OneNote 365 Search Not Finding Text in All Notes
Product
OneNote 365
Device & OS
not provided
Scenario
Searching for text within extensive notebooks or newly created test files in OneNote 365.
Observed behavior
The search feature fails to locate text on certain pages, and clearing or renaming the cache folder does not resolve the indexing failure.
Before you start

Verify that your OneNote notebooks are completely synced to your Microsoft account to avoid any potential data loss before attempting to switch application versions.

Solution 1Recommended

Use OneNote for Windows 10 as a Temporary Workaround

Since the search bug is a known defect within OneNote 365, using the older OneNote for Windows 10 application can temporarily restore full search functionality.

This search failure has been reproduced and identified as a defect affecting OneNote 365. While waiting for an official patch from Microsoft, you can bypass the indexing issue by utilizing the separate OneNote for Windows 10 application available in the Microsoft Store.

1
Open the Microsoft Store

Click the Start button on your Windows computer and open the Microsoft Store app.

2
Search for OneNote

Type 'OneNote for Windows 10' into the search bar at the top of the Microsoft Store window.

3
Install the Application

Click 'Get' or 'Install' to download the application to your computer.

4
Sign In and Sync

Launch OneNote for Windows 10, sign in with your Microsoft account, wait for your notebooks to sync, and try performing your search again.

Use OneNote for Windows 10 as a Temporary Workaround
Report the Issue: You can report this defect directly to Microsoft through the OneNote feedback portal to help their engineering team prioritize a permanent fix.
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Frequently Asked Questions

Why is OneNote 365 not indexing my notebooks properly?

In certain builds of OneNote 365, there is a known software defect that prevents the search indexer from properly scanning text on specific pages, even after manual cache resets.

Will clearing the OneNote cache fix search errors?

Clearing or renaming the cache folder usually forces OneNote to reindex your files, which can resolve typical search glitches. However, if the issue is an underlying software defect in OneNote 365, this step may fail to restore search functionality.

How can I report a bug or search issue in OneNote?

You can report defects and submit detailed feedback through the official Microsoft OneNote feedback portal. Providing details about your notebook size and the troubleshooting steps you have taken helps developers isolate and fix the bug.