Univik ONE Converter for Windows
At a Glance
Key Features
OneNote Notebook Structure Kept
Sections and pages come out in their notebook order, read from the table of contents. Section groups keep their subfolder structure, so a converted archive still reads like the notebook it came from.
At a Glance
Univik ONE Converter at a Glance
Price, file types, formats and privacy in one quick scan.
3
File Types Read
Handles .one, .onepkg and .onetoc2, the full set a OneNote notebook leaves on disk.
PDF+
Output Formats
Turn notes into PDF, Word, HTML or images that open on any device.
0
Files Uploaded
Every conversion runs on your own PC, so private notes stay private.
1
Run per Archive
Batch mode converts a whole folder of notebooks in a single pass.
$39
One-Time Licence
Try the software free first. One-time payment with a 30-day guarantee.
Key Features
What Univik ONE Converter Does
The tool is built for the details that decide whether a converted notebook is actually usable.
Ink and Images Render
Handwriting, drawings, highlights and pasted pictures appear in the output the way they look in OneNote, not as missing boxes.
Searchable Text Output
Converted PDFs keep real, selectable text, so you can search years of notes with Ctrl+F instead of scrolling flat page pictures.
Convert Only What You Pick
Load an archive, then tick the notebooks or sections you actually need. Nothing forces you to convert a decade of notes to get one project out.
Clean Output Naming
Results are named after their notebook and section and sorted into folders, so a big conversion lands organized instead of as a pile of files.
Originals Never Touched
The converter reads your OneNote files and writes new output beside them. The source files stay exactly as they were, so nothing is at risk.
The Short Version
Why You Cannot Open a .one File Anywhere Else
A .one file is a OneNote section, saved in a format Microsoft never opened up. Two things keep your notes stuck.
Trap 1: A Closed Format
The .one format is proprietary. Word, browsers and PDF readers cannot open it. The standard advice online is to install OneNote, which is no help on a machine that does not have it.
Trap 2: A Weak Built-In Export
OneNote's own export needs OneNote installed and synced, and it handles one notebook at a time. It prints notes onto fixed sheets, so long pages get clipped. There is no batch run for a folder of notebooks or loose .one files.
Univik ONE Converter reads the OneNote files directly and writes formats anything can open. The software takes .one sections one by one, unpacks .onepkg packed notebooks on its own and follows a .onetoc2 table of contents to convert a notebook folder in order. OneNote does not need to be installed at any point.
Three Extensions
Three ExtensionsThe Three Files a OneNote Notebook Leaves Behind
Know which file you have and what the converter does with each.
.one
A Notebook Section
Each section of a notebook is stored as one .one file holding its pages, ink, images and attachments. This is the file you find in backups and notebook folders, and the converter reads it directly.
.onepkg
A Packed Notebook
The single-file package OneNote creates when a whole notebook is exported or shared. Normally only desktop OneNote can unpack it. The converter opens the package and converts every section inside.
.onetoc2
The Table of Contents
The small file sitting beside the .one sections in a notebook folder. It records which sections belong together and in what order, and the converter uses it to keep a converted notebook structured.
Three Steps
Three StepsHow to Batch Convert OneNote Files
The tool needs no OneNote, no sign-in and no page-at-a-time exporting.
1
Add OneNote Files
Load .one or .onepkg files, or select a notebook folder to queue everything inside.
2
Pick the Output Format
Choose PDF for sharing and archiving, Word DOCX for editing or HTML and images for the web.
3
Convert and Open Anywhere
Run the batch and open the results on any device, with OneNote nowhere in sight.
Download the Free Trial
Windows 11 and 10 · no OneNote or Microsoft 365 · nothing uploaded · support answered by the team that builds the tool
Real Situations
Real SituationsWhen You Need a OneNote File Converter
Three situations bring almost everyone to this page.
Moving to Another Notes App
You are leaving OneNote for a different notes app and years of notebooks need to come along. Word and HTML copies give you clean text any app can import, with the notebook structure kept.
Old Backups from a Retired App
A drive holds notebook folders from the read-only Windows 10 app or an old PC. Instead of hunting for the right OneNote version, export OneNote files to PDF once and read them forever.
Sharing with People Outside OneNote
A client, a court or a colleague needs your notes but does not run OneNote. PDF copies open on any device and look the same everywhere, so nothing depends on their setup.
Old App, Locked Notes
OneNote for Windows 10 Is Read-Only Now
Why this matters
Microsoft ended support for OneNote for Windows 10 on October 14, 2025. The app still shows old notes but no longer edits or syncs them. Plenty of people are left with OneNote backups and notebook folders full of .one files from years of use.
Those files on disk are still yours. Local notebooks usually live under Documents\OneNote Notebooks and the desktop app keeps .one backup copies under AppData\Local\Microsoft\OneNote\...\Backup on your own drive. Point the OneNote converter at either place and turn the notes into PDF or Word copies you control completely, with no migration, no Microsoft account and no cloud sync involved.
Compare Your Options
Three Ways to Get Notes out of OneNote Files
Each route gets you something. Only one gets you everything.
| What you need | OneNote's Own Export | Free Online Uploaders | Univik ONE ConverterTRIAL |
|---|---|---|---|
| Works without OneNote installed | No | Yes | Yes |
| Batch a folder of notebooks | One notebook at a time | File by file | One run |
| Long pages kept whole | Often clipped | Varies | Yes |
| Notes stay on your PC | Yes | Uploaded to a server | Yes |
| Reads .onepkg packages | Desktop app only | Rarely | Yes |
Private notes and a public upload box are a poor match. Keep the conversion at home.
What You Need
OneNote Converter System Requirements
Operating System
Runs on 64-bit Windows 11 and Windows 10 with .NET Framework 4.8 or higher, which current Windows updates already include.
OneNote Not Required
The software reads OneNote files on its own. No OneNote, Office or Microsoft 365 sign-in is involved.
Memory and Disk
4 GB RAM covers everyday notebooks, and large archives with heavy images run best with 8 GB.
Works Fully Offline
A connection is needed only to download the installer. Conversion itself never touches the network.
| Software Information | Univik ONE Converter |
| Version | 6.8 (Latest) |
| Licence | Free trial, then a $39 one-time licence |
| Platform | Windows 11 and Windows 10, 64-bit |
| Framework | .NET Framework 4.8 or higher |
| Reads | .one, .onepkg and .onetoc2 files |
| File Format | All OneNote section formats, 2003 through the current release |
Questions
OneNote File Conversion Questions
Use a OneNote converter tool like Univik ONE Converter. The .one format is proprietary, so no everyday app can read it. The usual advice is to install OneNote. The converter reads the file directly on Windows and turns it into PDF, Word, HTML or images you can open anywhere.
Yes. A .onepkg is a packed OneNote notebook that normally only the desktop app can unpack. Univik ONE Converter opens the package directly, unpacks the sections inside and converts them in the same run.
Add your .one or .onepkg files to the OneNote converter, choose PDF as the output and start the run. Each section becomes a PDF with the notes laid out as they appear in OneNote, and a whole folder of files converts in one batch.
OneNote's built-in export prints a page onto fixed sheets, so very long or wide notes get clipped and collapsed outlines can be missed. The converter renders the stored note content itself, so long pages come through whole.
It is the table of contents OneNote keeps beside the .one section files in a notebook folder. It tells the app which sections belong to the notebook and in what order. The converter uses it to read a notebook folder in its proper structure.
Yes. Since October 14, 2025 that app no longer edits or syncs, but your .one section files and backups on disk are untouched. Point the converter at those files and turn them into PDF or Word copies you fully control.
No. The whole conversion runs on your own Windows PC. Notes often hold private and work material, and nothing leaves your machine, which is the main reason to avoid free online OneNote uploaders.
Local notebooks are stored under Documents\OneNote Notebooks, and desktop OneNote also keeps backup copies under AppData\Local\Microsoft\OneNote in its Backup folder. A notebook that lives only in OneDrive is not stored as files on disk, so save a copy locally or export it as a .onepkg first, then convert that.
All of them. The software reads sections from every OneNote desktop release, from the older OneNote 2003 and 2007 format through the 2010 to 2016 format that current OneNote and Microsoft 365 write. Old backups convert directly with no upgrade step in OneNote first.
No. Univik ONE Converter is a standalone Windows software tool. It does not need OneNote, Office or a Microsoft 365 subscription installed. It never signs in to a Microsoft account.
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About This Page
Fact Checked
Written and reviewed by the Univik team, builders of file conversion tools and parsers for closed formats since 2013. The facts here, including the desktop export options, the local notebook and backup folder locations and the OneNote for Windows 10 end of support in October 2025, are checked against Microsoft's published documentation.
Since 2013Microsoft Docs VerifiedUnivik Team