- Open Notepad in Windows and copy the code below and paste it into Windows Notepad.
- Note: The code above allows Photo Viewer to open jpg, jpeg, gif, tiff and ico file extension.
- Save it as “PhotoViewer.reg” (Reg refers to Window’s registry file extension).
- Open Notepad in Windows and copy the code below and paste it into Windows Notepad.
- Double click on the registry file to apply it into Windows Registry. Click OK to confirm merging registry and click OK again to close the dialog box.
- Open Windows Run Dialog Box (Windows Key + R), then type in “ms-settings:”, this will pop up a window. Click “System” and Click “Default apps”. Under Photo Viewer category, select “Windows Photo Viewer”.
Windows Registry Editor Version 5.00
; Change Extension's File Type
[HKEY_CURRENT_USER\Software\Classes\.jpg]
@="PhotoViewer.FileAssoc.Tiff"
; Change Extension's File Type
[HKEY_CURRENT_USER\Software\Classes\.jpeg]
@="PhotoViewer.FileAssoc.Tiff"
; Change Extension's File Type
[HKEY_CURRENT_USER\Software\Classes\.gif]
@="PhotoViewer.FileAssoc.Tiff"
; Change Extension's File Type
[HKEY_CURRENT_USER\Software\Classes\.png]
@="PhotoViewer.FileAssoc.Tiff"
; Change Extension's File Type
[HKEY_CURRENT_USER\Software\Classes\.bmp]
@="PhotoViewer.FileAssoc.Tiff"
; Change Extension's File Type
[HKEY_CURRENT_USER\Software\Classes\.tiff]
@="PhotoViewer.FileAssoc.Tiff"
; Change Extension's File Type
[HKEY_CURRENT_USER\Software\Classes\.ico]
@="PhotoViewer.FileAssoc.Tiff"