excel vba - Check if MS Access is Installed -

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i looking way check if ms access installed , if not exit sub or finish running rest of module. came across bit of code, unsure of how adapt suit needs. 

function applicationisavailable(applicationclassname string) boolean  ' returns true if application available  ' example: if not applicationisavailable("outlook.application") exit sub      dim anyapp object        on error resume next        set anyapp = createobject(applicationclassname)        applicationisavailable = not anyapp nothing        set anyapp = nothing        on error goto 0  end function

thank in advance if able assist.

i ended getting work not long after posted question. in case curious, used above code declare function , within module running used bit of code determine if available. 

if applicationisavailable("access.application") = false msgbox ("you must have microsoft access installed use function") exit sub end if

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