Yes OutLook is installed, its "Microsoft Office Professional Plus 2013". Please check output of below code it returned outlook object.

#! D:\Straberry\perl\bin\perl -w
use strict;
use Win32::OLE qw/in/;
use Win32::OLE::Const 'Microsoft Outlook';
#use Win32::OLE::Variant;

my $OL = Win32::OLE->GetActiveObject('Outlook.Application') || Win32::
+OLE->new('Outlook.Application') or die "$!\n";;
my $NameSpace = $OL->GetNameSpace("MAPI");
my $Folder = $NameSpace->GetDefaultFolder("olFolder");

#print ref($Folder->{Items}) . "\n";

#foreach my $subfolder ( in $Folder->Folders) {
#   printf "%s\n", $subfolder->{Name};
#}


print "OLE object's properties:\n";
foreach my $Key (sort keys %$OL) {
    my $Value;

    eval {$Value = $OL->{$Key} };
    $Value = "***Exception***" if $@;

    $Value = "<undef>" unless defined $Value;

    $Value = '['.Win32::OLE->QueryObjectType($Value).']' 
      if UNIVERSAL::isa($Value,'Win32::OLE');

    $Value = '('.join(',',@$Value).')' if ref $Value eq 'ARRAY';

    printf "%s %s %s\n", $Key, '.' x (40-length($Key)), $Value;
}
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Output of Above code:

D:\Perl_Project\OutLook>test1.pl
No type library matching "Microsoft Outlook" found at D:\Perl_Project\OutLook\test1.pl line 4.
Win32::OLE(0.1712): GetOleTypeLibObject() Not a Win32::OLE::TypeLib object at D:/Straberry/perl/vendor/lib/Win32/OLE/Const.pm line 49.
Win32::OLE(0.1712) error 0x80020005: "Type mismatch" in METHOD/PROPERTYGET "GetDefaultFolder" argument 1 at D:\Perl_Project\OutLook\test1.pl line 9.
OLE object's properties:
Application ............................. _Application
Assistance .............................. IAssistance
COMAddIns ............................... COMAddIns
Class ................................... 0
DefaultProfileName ...................... Outlook
Explorers ............................... _Explorers
Inspectors .............................. _Inspectors
IsTrusted ............................... 0
LanguageSettings ........................ LanguageSettings
Name .................................... Outlook
Parent .................................. <undef>
PickerDialog ............................ PickerDialog
ProductCode ............................. {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}
Reminders ............................... _Reminders
Session ................................. _NameSpace
TimeZones ............................... _TimeZones
Version ................................. 15.0.0.4569
D:\Perl_Project\OutLook>