ONE File Extension - Open .ONE files

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Common File Extensions

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.ONE File Extension

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File Type

OneNote Document

Popularity

Average

Category

Data Files

File 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

Windows

Microsoft OneNote