Company email formats

The email address pattern used at 300 large companies, measured on 194,745 verified work emails and matched against each person's name. 78% of these companies use {first}.{last}@ as their main format; the next most common are {f}{last}@ (30 companies) and {first}_{last}@ (16 companies). Updated October 2026.

Company not listed? Try the email format finder or read our email format research.