Where are you finding this code on cpan which suggests using Win64:: modules? I don't believe they exist, I can't find any when I search. Use Win32 even on the 64bit platform. See also What Windows 64 bit traps are out there?.

Update: fixed some auto correct typos.

In reply to Re: Regarding usage of """use Mail::Outlook;"""" on 64bit OS by marto
in thread Regarding usage of """use Mail::Outlook;"""" on 64bit OS by ygudetti

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