%{%$excel_hash{$keys1} }

##</code><code>##

my %excel_hash = %{ $excel_href };

##</code><code>##

  
for my $key ( keys %excel_hash ) {
    ...
}

##</code><code>##

for my $key ( keys %excel_hash ) {
    my $inner_href = $excel_hash{ $key };
    my %inner_hash = %{ $inner_href };
}

##</code><code>##

for my $key ( keys %excel_hash ) {
    my $inner_href = $excel_hash{ $key };
    my %inner_hash = %{ $inner_href };
    my $name = $inner_hash{'Name'};
}

##</code><code>##

for my $key1 ( sort keys %{ $excel_href } ) {
    while ( my ( $key2, $val2 ) = each %{ $excel_href->{ $key1 } } ) {
        print "$key2 = $value \n";
    }
}

##</code><code>##

for my $outer_key ( keys %{ $excel_href } ) {
    print "$outer_key:";
    for my $inner_key ( keys %{ $excel_href->{ $outer_key } } ) {
        print "\t$inner_key = $excel_href->{ $outer_key }->{ $inner_key }\n";
    }
}

##</code><code>##

print "$_\n" for map {"$_: Name = $excel_href->{ $_ }->{'Name'}"} keys %{ $excel_href };