How to Open and Convert OneNote 2016 Notebooks
Question details
The user needs to open older OneNote 2016 notebooks (such as local .onetoc2 files) and convert them to be compatible with current OneNote desktop versions and OneNote Online.
- Product
- Microsoft OneNote
- Device & OS
- not provided
- Scenario
- Accessing and migrating legacy OneNote 2016 local notebooks to the modern OneNote ecosystem.
- Observed behavior
- Older local OneNote formats cannot be directly accessed in modern or online OneNote without proper conversion or sharing via the legacy application.
Verify whether your notebook is stored locally on your hard drive or already on OneDrive, and ensure you have your Microsoft account credentials ready for syncing.
Reinstall OneNote 2016 to Export or Share Notebooks
Since modern versions of OneNote may not natively handle legacy local formats, reinstalling the older application allows you to properly export or sync the notebooks to the cloud.
Local notebooks created in older versions of OneNote (using the 2010-2016 format) need to be converted to cloud-based notebooks to work seamlessly with the latest OneNote software.
Download and reinstall OneNote 2016 (sometimes referred to as the legacy OneNote desktop app) from the official Microsoft Office support website.
Launch OneNote 2016, click on 'File' > 'Open', and locate your older local .onetoc2 notebook files on your computer.
Once the notebook is open, navigate to 'File' > 'Share'. Select your OneDrive account and choose a cloud location to upload and sync the notebook.
After the sync is complete, you can safely close the legacy app and open the synced notebooks natively in the modern OneNote desktop application or OneNote Online.
Open Synced Notebooks in the Latest OneNote App
If your OneNote 2016 files were already migrated or synced to OneDrive previously, you can directly open them using the latest application.
Try WPS Office for Seamless Document Management
While WPS Office does not natively convert Microsoft OneNote notebooks, it serves as a lightweight, powerful, and free alternative to the Microsoft Office suite. Enjoy cross-platform accessibility and effortless document management without expensive subscriptions.
Frequently Asked Questions
Why can't the modern OneNote open my .onetoc2 files directly?
Modern OneNote applications prioritize cloud-based syncing via OneDrive and often lack native support for opening locally stored OneNote 2010-2016 formats (.onetoc2). You must use the older version to migrate them to the cloud.
Where can I download the older OneNote 2016 application?
Microsoft still provides the OneNote 2016 desktop application through their official Office support pages, though it is often bundled or referred to simply as the 'OneNote desktop app' on their primary download portal.
Can I view my legacy OneNote notebooks online without converting?
No, you cannot directly upload and view local .onetoc2 folders on OneNote Online. They must first be opened in a compatible desktop version (like OneNote 2016) and properly shared or synced to OneDrive to convert the format.
