How to open ONEPKG files
Did your computer fail to open an ONEPKG file? We explain what ONEPKG files are and recommend software that we know can open or convert your files.
What is an ONEPKG file?
ONEPKG files are Microsoft OneNote Package files, which you can read more about below.
The ONEPKG file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So an ONEPKG opener may not be able to open all kinds of ONEPKG files. In this case, though, we only know of one specific use.
Microsoft OneNote Package
Through our analysis of ONEPKG files, we know that one use of the format is Microsoft OneNote Package. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.
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ONEPKG file openers, viewers, etc.
These apps are known to open certain types of ONEPKG files. Remember, different programs may use ONEPKG files for different purposes, so you may need to try out a few of them to be able to open your specific file.
 | Microsoft OneNote | User submitted |
 | Microsoft Office | User submitted |
 | Microsoft Office Mondo - English | User submitted |
 | V-Tools | User submitted |
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