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File Format & Compatibility

How to Open OneNote .onepkg Files on Apple Devices

Maira MehtabMaira Mehtab Sep 27, 2026 869 views

Question details

The user needs to open exported OneNote backup files (.onepkg) on Apple devices such as a Mac, iPad, or iPhone after downloading them from a school account.

Product
Microsoft OneNote
Device & OS
Apple (Mac/iOS)
Scenario
Accessing and viewing exported school account notes saved in the .onepkg format on Apple devices.
Observed behavior
The .onepkg files cannot be opened or extracted directly on Apple devices because the format is exclusively supported by OneNote for Windows.
Before you start

Since the .onepkg format is a proprietary package exclusive to Windows, you will need temporary access to a Windows PC or a virtual machine running Windows to properly unpack these files.

Solution 1Recommended

Unpack via Windows PC and Sync to OneDrive

The official and most reliable method is to open the file on a Windows device to unpack it, and then sync the notebook to your Microsoft account for cross-device access.

Because .onepkg files are essentially compressed archive folders used exclusively by the desktop version of OneNote for Windows, macOS and iOS versions of OneNote do not have the capability to extract them. Unpacking them on a Windows system circumvents this limitation.

1
Transfer the file

Move your downloaded .onepkg file to a Windows computer using a USB drive, email, or a cloud storage service.

2
Open and extract in Windows

Double-click the .onepkg file on the Windows PC. This will automatically open OneNote for Windows and prompt you to choose a local folder path to unpack and save the notebook.

3
Sync to your Microsoft Account

In OneNote for Windows, go to File, select Share, and choose your OneDrive account to upload and sync the newly extracted notebook to the cloud.

4
Access on your Apple device

Open the native OneNote app on your Mac, iPad, or iPhone, sign in with the same Microsoft account, and open the notebook directly from OneDrive.

Cross-Platform Syncing: Once the notebook is synced to OneDrive, any future edits made on your Mac or iOS device will automatically update across all platforms.
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Frequently Asked Questions

Can I convert a .onepkg file to PDF directly on my Mac?

No, you cannot directly convert a .onepkg file to a PDF on a Mac because the file must first be unpacked. You need to use OneNote for Windows to extract the package, after which you can export the notebook as a PDF file.

What exactly is a .onepkg file?

A .onepkg file is a compressed archive created by the OneNote desktop application on Windows. It safely bundles all sections, pages, and attachments of a specific OneNote notebook into a single file for convenient sharing or backup.

Can the web version of OneNote open .onepkg files?

No, OneNote for Web does not support opening or extracting .onepkg backup files. The extraction process exclusively requires the desktop version of OneNote for Windows.

Can I simply rename the .onepkg extension to .zip to extract it on Mac?

While renaming the file extension to .zip might allow you to see the internal folder structure using Mac's Archive Utility, you will not be able to import the resulting raw data files into the macOS OneNote app natively.