This policy setting allows you to configure how File Explorer displays thumbnail images or icons on the local computer.File Explorer displays thumbnail images by default. If you enable this policy setting File Explorer displays only icons and never displays thumbnail images.If you disable or do not configure this policy setting File Explorer displays only thumbnail images.
Policy path:
Windows Components\File Explorer
Scope:
User
Supported on:
At least Windows Vista
Registry settings:
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer!DisableThumbnails
Filename:
Thumbnails.admx