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ONETOC File - What is an .onetoc file and how do I open it?

Learn about .ONETOC files and view a list of programs that open them.

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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.

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.ONETOC File Extension

Microsoft OneNote Table of Contents

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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.

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Programs that open or reference ONETOC files

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Microsoft OneNote 365

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Category: Settings Files

Updated: May 24, 2017

FAQ

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.

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