You can download a comma separated value text file (CSV) or tab separated text file (TSV.) Both file types can be read directly into Excel.
The First Contact Only option provides a data file with just the first key contact, usually the head of the office.
The First + Matching Specialties option provides a data file with the first key contact plus other contacts whose industry/position specialties match your search criteria.
The All Contacts option provides a data file with the first contact plus all contacts regardless of their industry/position specialties.