Best Answer: The facilities at the North Rim are closed during the winter, so you would be going to the South Rim. The nearest major airport to the South Rim is Sky Harbor airport in Phoenix. There are smaller local airports at Flagstaff (about 1.5 hours from the canyon) and also at Grand Canyon itself.
By default, your cloud-stored OneNote files are actually cached locally on your machine (for performance and when you are working offline) to a hidden location at C:\Users\<user>\AppData\Local\Microsoft\OneNote\<version>\OneNoteOfflineCache_Files.
In the latest salvo in the cloud storage price wars, Microsoft has uncapped OneDrive storage space for Office 365 subscribers. The unlimited storage option tosses the ball back into Google's court and puts even more pressure on independent cloud storage services like Dropbox and Box.