.ONETOC File Extension

Microsoft OneNote Table of Contents File

Developer Microsoft
Popularity
1.0  |  2 Votes
Category Settings Files
Format Binary

What is an ONETOC file?

A ONETOC file is an index file created by Microsoft OneNote 2003, a program used to take notes and journal. It contains information about the ordering of different note-taking sections. ONETOC files are used for organizing the collection of notes in the notebook.

More Information

ONETOC files are created by OneNote when you create a OneNote notebook by selecting File → New in OneNote. ONETOC files are not meant to be manually opened. It is instead referenced by OneNote when opening a notebook. If you delete the ONETOC file, OneNote will display the notebook sections in alphabetical order, which you can manually reorder.

NOTE: ONETOC files are used by Microsoft OneNote 2003. The file was replaced by .ONETOC2 with the release of OneNote 2007.

Open over 400 file formats with File Viewer Plus.Free Download

Programs that open or reference ONETOC files

Windows
Updated May 24, 2017

Verified by FileInfo.com

The FileInfo.com team has independently researched the Microsoft OneNote Table of Contents file format and Windows apps listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified.

If you would like to suggest any additions or updates to this page, please let us know.