Unable to Share files from OneDrive for Business in File Explorer

The error is "Sorry, we're unable to reach the server right now. Please try again later."

The solution is to uncheck "Do not save encrypted pages to disk" in IE, Internet Options/advanced tab.

Reset Excel Profile in Registry

Reset Excel profile in registry if Excel is acting up.

1. Exit Excel 
2. Open Registry (regedit)
3. Browse to \HKEY_CURRENT_USER\Software\Microsoft\Office\15.0 (Office Version 2013)
4. Right click Excel and rename to ExcelOLD 
5. Launch a blank Excel and close it to recreate Excel key