But if you don’t want all of that, pick the “Choose folders to sync” and uncheck any photo-related options. The default is to backup everything in the OneDrive folder.Go to the tab that says “Choose folders.”.Right-click the clouds and select “Settings”.Find the two little grey cloud icons down in the bottom right of your Windows taskbar (at least this is where the icon usually shows up.
To see what OneDrive has access to, find the OneDrive folder on your PC by searching for it in the Windows (or Cortana) search box near the start button.
How to stop OneDrive from backing up photos, but why would you do that? – The Denver Post
