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.ONE File Extension

NEW: Open any file on your PC with File Viewer

OneNote Document Icon
File TypeOneNote Document
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CategoryData Files
File Format Description

Document created with OneNote, a note-taking program developed by Microsoft; accepts typed input as well as digitized handwriting; may also include text or objects pasted from other applications, such as images, drawings, and audio/video clips.

Program(s) that open .ONE files
Updated 5/16/2008