I downloaded the notes from the SkyDrive to a .zip file on my desktop. Is there some way to use the .zip file contents to reconstruct the "clear cache' damage and get this thing working correctly again?
Ok, let's go ...
Remember:
A Onenote notebook is a folder (not a file) within a file system. This folder/notebook contains at least one section. A section is a file from type *.one.
Depending on the contents of your zip-file (only *.one file(s) or those files within a folder) you have to create a notebook within your Windows file system using Windows explorer. Start Onenote and use File, Open, Notebook only to see the path where Onenote
searches its notebooks (folders).
Standard is a root folder under Documents. Cancel the dialog. Now unzip your notebook and create it using Windows explorer.
Then right click the notebook (folder) and "Open as Notebook in Onenote". Onenote will open the notebook = open all section files and copy the content to your cache. That's all.
Bernd