Use the following suggestions if the OneNote notebook is not showing in the app. Sometimes, it can be the corrupt cache in OneNote that causes issues. Clear OneNote cache and see if it works. OneNote ...

According to Microsoft, the OneNote sync error 0xE40105F9 occurs when you are using an outdated version of OneNote which is no longer supported by the Microsoft ...

The only way to rename a notebook in OneNote is to use the OneDrive website. The OneNote app for PC also lets you change a notebook's "display name," which changes its name in that app only. Once you ...