Problem: Files uploaded to Sharepoint/OneDrive aren't showing up on the sync'd folder on your file Explorer.
Resolution: Restart OneDrive on your PC.
Step 1 - Right Click the OneDrive Icon (if its not there, skip to step 4)
Step 2. Now click on “Help & Settings”.
Step 3. Select "Quit OneDrive"
Step 4. Search the Windows search bar at the bottom left of your desktop for "OneDrive." Open the application.
Step 5. Wait a few moments. Then, check the files again.