Starting with Windows 10, when you open an image file, the image would no longer be viewed in the Windows Photo Viewer. Instead, you'll be switched to the new Microsoft Photos, which is plagued ...

Windows Photo Viewer should open 1 window for previewing multiple images. If it opens multiple instances when previewing images, see this fix.

Learn how to change the background color of Windows Photo Viewer in Windows 11/10, to black or any other, by modifying the Registry.

The Windows Explorer shell usually opens TIF files in Windows Photo Viewer or another Photo editing program that you may have defined.