Select "Import," and then choose "Microsoft OneNote" from the submenu to open the OneNote Import wizard. Click the drop-down box, and then select the Notebook that has the files you want to import.

Learn how to use a Microsoft 365 setting to choose whether to open files in the online or desktop app, giving you full control for each file.

Image-editing applications such as Microsoft OneNote 2010 and IrfanView open EMF files, as can Microsoft Paint and Windows Photo Viewer, which are native to Windows 7.