Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\PreviewHandlers] "{21E17C2F-AD3A-4b89-841F-09CFE02D16B7}"="Microsoft Visio previewer" "{65235197-874B-4A07-BDC5-E65EA825B718}"="Microsoft PowerPoint previewer" "{84F66100-FF7C-4fb4-B0C0-02CD7FB668FE}"="Microsoft Word previewer" "{00020827-0000-0000-C000-000000000046}"="Microsoft Excel Previewer"