What Is a ONEPKG File?

A file with the ONEPKGfile extensionis a OneNote package file.

How to Open a ONEPKG File

ONEPKG files are opened by Microsoft’s OneNote tool.

Screenshot of several ONEPKG files in Windows 10 that MS OneNote uses

You candownload OneNote for freefrom Microsoft.

Just choose to export the notebook to aOneNote Packagefile.

When you initiate the ONEPKG file, OneNote will ask where you want to extract its contents.

Unpack Notebook prompt in OneNote

Another option for opening the archive is to just rename the ONEPKG extension toZIP.

In Windows, you’re free to easily launch the new ZIP file without any extra software.

Once open, you’ll see all the ONE files.

ONEPKG archive in 7-Zip

How to Convert a ONEPKG File

ONEPKG files themselves can’t be converted to any other format.

A single page or section, or an entire notebook, can be exported to other formats.

There aren’t anyfile conversion toolsnecessary for this to take place.

OneNote export options

Still Can’t launch the File?