File Extension ONETOC2

Information about ONETOC2 files and how to open them
Index file created by Microsoft OneNote, a program used for personal journaling and note taking; stores information about the ordering of different note-taking sections; used for organizing the collection of notes in the notebook. If the ONETOC2 file is deleted, OneNote will display the notebook sections in alphabetical order, which the user can manually reorder.
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