How to Convert .onepkg to .one File? – Top 3 Methods

Microsoft OneNote is a potent tool for digital note-taking, widely used for personal official, education, and professional collaboration. If you’ve ever exported a OneNote notebook, you might have come across the .onepkg file format -a packaged version of an entire notebook. However, to access or edit individual sections of a notebook, you’ll often need to convert that .onepkg file into standard .one files. In this blog post, we’ll talk about how to convert .onepkg to .one file. Converting to .one format ensures better compatibility across different versions of OneNote and devices, especially when importing sections into existing notebooks. Whether you are migrating notes, recovering files, or sharing specific sections, this guide will help you get it done quickly and easily.
What are the Difference Between .onepkg and .one?
The .onepkg and .one file extensions are both associated with Microsoft OneNote, but they serve different purposes like – A .one file is a OneNote section file. A single section within a OneNote notebook. When you create a section in OneNote it is saved as a .one file.
While, on the other side, a .onepkg file is a OneNote package file. It consists of entire notebook including all sections and pages. It supports to export a full notebook, then users can also import this into OneNote on another device.
Method 1: .onepkg to .one Tool – Quick and Precise Way to Convert .onepkg to .one In Seconds
CubexSoft OneNote Converter helps you to export, convert .onepkg files into individual .one files, making it easier to manage, organize, and share your notes. The software retains the original structure of your notes, including formatting, images, tags, and section hierarchy, ensuring nothing is lost in transition. By converting .one files, users can back up individual sections or restore specific parts of a notebook. And this application has proficiency in converting multiple .onepkg to .one files at once. And without any need of OneNote installation, the tool is eligible to convert .onepkg to .one files of OneNote app’s all versions for example OneNote 2016, 2010, etc. This application runs on Windows OS (Windows 11, Windows 10, and other below editions) and also gives demo feature that enables to convert 5 .onepkg files to .one free of cost.
How to Convert .onepkg to .one File with .onepkg to .one Converter?
Step1: Launch .onepkg to .one Converter on your Windows machine.

Step2: Upload essentials data using Add Files and Add Folder options.

Step3: Now select saving option .onepkg to .one.

Step4: Choose the destination path for the output.

Step5: Lastly click on the Export tab, and end this task clicking on the Ok.

Manual Ways to Convert .onepkg to .one
To convert a .onepkg file to .one files, you need to import the .onepkg file into Microsoft OneNote in order to extract the individual .one section files automatically. Let’s know how in this following section:
Method 2: With OneNote 2016
- Open OneNote 2016 (or OneNote for Windows 10 if it supports importing .onepkg):
- You must have the desktop version.
- Then, double-click on the .onepkg file.
- It should automatically launch OneNote and ask you where to import the notebook.
- Choose a location to save the notebook to local PC.
- After Import, OneNote will recreate the full notebook with all its sections.
- To find the individual .one files:
- Navigate to the local OneNote notebook storage path:
- Usually: C:\Users\<YourUsername>\Documents\OneNote Notebooks\
- Each section in the notebook is saved as a .one file.
Method 3: Extracting Manually (not always recommended)
- You are required to rename the .onepkg file to .zip and then try to extract it
- Like Rename Notebook .onepkg as Notebook.zip
- Extract the archive with WinRAR.
- It may expose individual .one files, but sometimes metadata and structure can be lost or corrupted, so this is less reliable.
Demerits of Manual Method
- Manual process involves extracting and saving each section individually.
- In large notebooks, this can be tedious and inefficient.
- Improper handling during extraction may result in loss of data or formatting.
- Manual methods typically don’t support batch conversion.
- The Risk of accidentally deleting sections or saving in incorrect formats or folders.
- You typically need to import the .onepkg in OneNote, which must be installed and properly configured.
- If you don’t have the correct version OneNote 2016 vs OneNote for Windows the process might not work properly.
- Different OneNote versions may behave differently when opening .onepkg, potentially causing corruption or incomplete loading.
- Manual methods lack automation tools, so they’re not practical for enterprise or multi-file workflows.
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Epilogue
Converting format from .onepkg file to a .one file may seem tricky at first, but with the right steps, it’s a straightforward process. As we have also discussed and realized the demerits of manual method. It is not recommended to opt for it. Users must always opt for the safest .onepkg to .one Converter to resolve how to convert .onepkg to .one file. As that will ensure accuracy plus transparency. Instead of manually recreating sections or copying content, the .onepkg to .one Converter automates the process, saving you valuable time and reducing the chance of errors. And this tool also makes it feasible to convert .onepkg to PDF, HTML, XLS, PNG, and many more.
