64bit: [HKEY_LOCAL_MACHINE\SOFTWARE\Classes<key>\shell[command]\command]
batfile [open] – “%1” %*
cmdfile [open] – “%1” %*
comfile [open] – “%1” %*
exefile [open] – “%1” %*
helpfile [open] – Reg Error: Key error.
htmlfile [edit] – Reg Error: Key error.
htmlfile [print] – rundll32.exe %windir%\system32\mshtml.dll,PrintHTML “%1”
inffile [install] – %SystemRoot%\System32\InfDefaultInstall.exe “%1” (Microsoft Corporation)
InternetShortcut [open] – “C:\Windows\System32\rundll32.exe” “C:\Windows\System32\ieframe.dll”,OpenURL %l (Microsoft Corporation)
InternetShortcut [print] – “C:\Windows\System32\rundll32.exe” “C:\Windows\System32\mshtml.dll”,PrintHTML “%1” (Microsoft Corporation)
piffile [open] – “%1” %*
regfile [merge] – Reg Error: Key error.
scrfile [config] – “%1”
scrfile [install] – rundll32.exe desk.cpl,InstallScreenSaver %l
scrfile [open] – “%1” /S
txtfile [edit] – Reg Error: Key error.
Unknown [openas] – %SystemRoot%\system32\rundll32.exe %SystemRoot%\system32\shell32.dll,OpenAs_RunDLL %1
Directory [cmd] – cmd.exe /s /k pushd “%V” (Microsoft Corporation)
Directory [find] – %SystemRoot%\Explorer.exe (Microsoft Corporation)
Folder [open] – %SystemRoot%\Explorer.exe (Microsoft Corporation)
Folder [explore] – Reg Error: Value error.
Drive [find] – %SystemRoot%\Explorer.exe (Microsoft Corporation)

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes<key>\shell[command]\command]
batfile [open] – “%1” %*
cmdfile [open] – “%1” %*
comfile [open] – “%1” %*
cplfile [cplopen] – %SystemRoot%\System32\control.exe “%1”,%* (Microsoft Corporation)
exefile [open] – “%1” %*
helpfile [open] – Reg Error: Key error.
htmlfile [edit] – Reg Error: Key error.
htmlfile [print] – rundll32.exe %windir%\system32\mshtml.dll,PrintHTML “%1”
inffile [install] – %SystemRoot%\System32\InfDefaultInstall.exe “%1” (Microsoft Corporation)
piffile [open] – “%1” %*
regfile [merge] – Reg Error: Key error.
scrfile [config] – “%1”
scrfile [install] – rundll32.exe desk.cpl,InstallScreenSaver %l
scrfile [open] – “%1” /S
txtfile [edit] – Reg Error: Key error.
Unknown [openas] – %SystemRoot%\system32\rundll32.exe %SystemRoot%\system32\shell32.dll,OpenAs_RunDLL %1
Directory [cmd] – cmd.exe /s /k pushd “%V” (Microsoft Corporation)
Directory [find] – %SystemRoot%\Explorer.exe (Microsoft Corporation)
Folder [open] – %SystemRoot%\Explorer.exe (Microsoft Corporation)
Folder [explore] – Reg Error: Value error.
Drive [find] – %SystemRoot%\Explorer.exe (Microsoft Corporation)