use warnings;
use strict;
use Data::Dumper;

#changed the paths to office 12.0 (office 2007) values and the searched Key to "SharedTemplates"

use Win32::TieRegistry( Delimiter => '#', ArrayValues => 0);
my $pound = $Registry->Delimiter("/");
my $targetKey = $Registry->{"HKEY_CURRENT_USER/Software/Microsoft/Office/12.0/Common"}
    or  die "Can't read the 'Common' key: $^E\n";
print STDERR "targetKey = '$targetKey'\n";       # this is the one you called "data" before.  It's not data, it's another key
my $generalKey = $targetKey->{"General"}    # this is another subkey
    or  die "Can't read the 'General' subkey: $^E\n";

print STDERR "generalKey = '$generalKey'\n";       # this is the one you called "data" before.  It's not data, it's another key

print STDERR Dumper $generalKey; # here, you can access actual values from the key, with or without a prefixed slash
my $data    = $generalKey->{'/SharedTemplates'} // '<undef>';
printf STDERR qq("%s" => >>%s<<\n), '/SharedTemplates', $data;
my $noslash = $generalKey->{'SharedTemplates'} // '<undef>';
printf STDERR qq("%s" => >>%s<<\n), 'SharedTemplates', $noslash;
my $dne     = $generalKey->{'DoesNotExist'} // '<undef>';
printf STDERR qq("%s" => >>%s<<\n), 'DoesNotExist', $dne;


$targetKey = $Registry->{"HKEY_CURRENT_USER/Software/Microsoft/Office/12.0/Common"}
    or  die "Can't read the '12.0/Common' key: $^E\n";
print STDERR "targetKey = '$targetKey'\n";      # this exists in mine
$generalKey = $targetKey->{"General"}
    or  die "Can't read the '12.0/Common/General' subkey: $^E\n";
print STDERR "generalKey = '$generalKey'\n";       # this doesn't exist in mine, so it won't get here

##</code><code>##

C:\temp\strawberry-perl-5.26.0.2-64bit-portable>perl ..\example_code_office12_3.pl

targetKey = 'Win32::TieRegistry=HASH(0x471ae8)'
generalKey = 'Win32::TieRegistry=HASH(0x4719c8)'
$VAR1 = bless( {
                 '/Xlstart' => 'XLSTART', #just a simple example without "\"
                 #... shortened
				 #This is what is searched for:
                 '/SharedTemplates' => 'G:\\OFFICE2007\\WORD7\\VORLAGEN',
                 # ... shortened
                 '/PasteOptions' => '0x00000001'
               }, 'Win32::TieRegistry' );			   
"/SharedTemplates" => >>G:\OFFICE2007\WORD7\VORLAGEN<<
"SharedTemplates" => >>G:\OFFICE2007\WORD7\VORLAGEN<<
"DoesNotExist" => >><undef><<
targetKey = 'Win32::TieRegistry=HASH(0x2561ec8)'
generalKey = 'Win32::TieRegistry=HASH(0x471ae8)'