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How to Fix Unexpected Errors in Evernote to OneNote Importer

Algirdas JasaitisAlgirdas Jasaitis Oct 29, 2026 869 views

Question details

The user experiences unexpected errors when trying to import notes from Evernote Legacy folders into OneNote using the OneNote Importer tool.

How to Fix Unexpected Errors in Evernote to OneNote Importer
Product
OneNote Importer
Device & OS
not provided
Scenario
Migrating notes from Evernote to Microsoft OneNote.
Observed behavior
The OneNote Importer successfully detects Evernote Legacy folders but throws an unexpected error as soon as it attempts to process folders containing notes.
Before you start

Ensure you have a stable internet connection and that your Evernote Legacy application is fully synced to your local drive before attempting the import.

Solution 1Recommended

Verify Local Data, Account Subscription, and Import in Batches

Check that Evernote Legacy is locally installed and your Microsoft 365 account meets the requirements, then try importing smaller batches of notes.

The OneNote Importer relies on locally stored Evernote Legacy data to migrate your files. If the data is strictly cloud-based, or if your Microsoft account lacks sufficient OneDrive storage, the importer will fail and display an unexpected error.

1
Confirm Local Installation

Open Evernote Legacy on your computer and ensure all your notes are downloaded and fully accessible locally without requiring an internet connection.

2
Check Microsoft Account Status

Sign in to your Microsoft account via a web browser to verify your subscription status. Ensure you have sufficient OneDrive storage space available to accommodate the imported notebooks.

3
Close Unnecessary Sessions

Close any active OneNote applications on your PC and mobile devices to prevent file locking or synchronization conflicts during the import process.

4
Import Smaller Folders

Relaunch the OneNote Importer and select fewer Evernote notebooks. Splitting large notebooks into smaller batches helps prevent the tool from timing out or triggering processing errors.

Verify Local Data, Account Subscription, and Import in Batches
Alternative Migration Method: If errors persist, consider manually exporting your Evernote notebooks as .enex files from Evernote Legacy, and then importing them into OneNote using supported third-party migration tools.
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Frequently Asked Questions

Where does the OneNote Importer look for Evernote files?

The importer automatically scans the default installation directory of Evernote Legacy for local database files. If you have moved your database or use the newer Evernote v10, the importer may not detect your files automatically.

Does the OneNote Importer require a Microsoft 365 subscription?

While a free Microsoft account can be used, it is limited to the free 5GB OneDrive storage limit. If your Evernote database is larger than 5GB, you will encounter unexpected errors unless you upgrade to a Microsoft 365 subscription.

Can I use the OneNote Importer with the newest version of Evernote?

No, the official OneNote Importer was specifically designed to work with Evernote Legacy. Evernote v10 handles local storage differently, meaning the importer will likely fail to read your notebooks.

What should I do if the importer still fails after troubleshooting?

If standard fixes fail, you can try exporting your Evernote notebooks individually as .enex files. You may also need to reach out to Microsoft Support directly to investigate backend server or account issues.