ONETOC File Extension

The ONETOC file extension was created by Microsoft and is also known as the Microsoft OneNote Table of Contents File. ONETOC is classified as a Settings Files and This File type categories under Zip, Text, Binary and XML, however, the format of this file format has not been determined yet. You can open ONETOC files in Microsoft OneNote 365 program.

Microsoft OneNote Table of Contents File Type

What is a ONETOC File Type?

ONETOC files are created by OneNote when you select File → New in OneNote to create a OneNote Notebook. The ONETOC files are not opened manually. It is referenced by OneNote during the opening of a notebook. If you delete the ONETOC file, OneNote will display the sections of the-notes block in the alphabetical order, which you can reorganize manually.

Microsoft OneNote 2003 uses ONETOC files. It was replaced by .ONETOC2 with the release of OneNote 2007.

Free Online ONETOC Tools & Apps

Access powerful and secure free online ONETOC tools to convert, view, edit, merge, split, and compare ONETOC files — all without installing any software. Our tools support the .ONETOC (Microsoft OneNote Table of Contents File) file extension and run smoothly in any modern browser.

Select a tool below to explore features and manage your ONETOC files directly from your device with ease.

ONETOC Converter

Open ONETOC

Edit ONETOC

Compare ONETOC Files

Merge ONETOC Files

Split ONETOC Files

ONETOC Metadata Viewer

ONETOC Files Common Issues

There are few common issues with the Microsoft OneNote Table of Contents File .ONETOC File Extensions while opening the .ONETOC files on Windows and MacOs, we have solution to those issues such as:

Can't Open ONETOC Files?

1. You must have supported software programs installed for Microsoft OneNote Table of Contents File on your system such as Microsoft OneNote 365.
2. Associate default Microsoft Microsoft OneNote 365 program for *.onetoc (Microsoft OneNote Table of Contents File) files.
   
   

   Associate ONETOC Default Program on Windows

   1. Right-click a *.ONETOC (e.g example.onetoc) file and click Open With.
   2. In the Open with dialog box, click Microsoft Microsoft OneNote 365 program Or click Browse to locate the program (*.exe) that you want.
   3. Select check box for Always use this app to open .onetoc files.
   
   

Related ONETOC File Extensions

ONETOC default file extension is .ONETOC and other similer related extensions are:

All Platform Software Programs for ONETOC File Extension

List of all softwares that can open the ONETOC files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Open ONETOC File on Windows

	Software	License	Developer
	Microsoft OneNote 365 000 for Windows	Free	Microsoft
	Microsoft OneNote 365 000 for Windows	Free	Microsoft

Open ONETOC File on Mac OS

Open ONETOC file on Linux

Open ONETOC file on Web

Open ONETOC file on iOS

Open ONETOC file on Android

About Licensing

1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
3. Free⁺ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

About ONETOC - Microsoft OneNote Table of Contents File