According to details at the Office Blogs, the OneNote for Mac is receiving the following improvements: 

Print notes: Like in the recent Office for iPad update, starting immediately users can print notes, travel itineraries, recipes, and more. Furthermore, users also have the choice to save OneNote files to PDD through the Print dialog.  Drag and drop images: It’s how it reads. Users can now drag and drop images from virtually anywhere, even from a web page. The app also gets image formatting tools to restore the size or to rotate images as necessary.  Format Painter: This is a tool found in other Office applications that allows to quickly apply the same text formatting throughout notes.  Copy and paste formatted content: In this update formatted text from Word, Excel, or web pages will be preserved.  Hyperlinks: To keep things clean and neat, users can now keep notes more organized by adding a display name for links. 

OneNote for iPhone brings the following enactments: 

New option: In the new OneNote for iPhone users can create new notebooks and sections.  Office Lens: Similar to the feature of the iPad, you can trim, enhance, and make pictures more readable. Office Lens images get automatically synced to OneNote, and if there is a text within the image, OneNote can recognize the text for easy search.  New look: OneNote for iPhone also receive a new look on iOS 7, that makes taking notes and navigation more efficient and fluid.

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