ACS Email Format

The most common ACS email format is {first}.{last}@acs-inc.com (for example jane.doe@acs-inc.com), used in about 90% of observed ACS work addresses. ACS also uses 7 other formats for name collisions.

This format is derived from 10,756 real ACS addresses observed across our data, not guessed. To confirm a specific address, use the live verifier above — it checks deliverability in real time.

Apply the most common pattern to the person's name (e.g. jane.doe@acs-inc.com), then verify it on this page — or use the Find tab to get the likely address from their name automatically.

Beyond {first}.{last}@acs-inc.com, observed formats include {f}{last}@acs-inc.com, {last}.{first}@acs-inc.com, {first}_{last}@acs-inc.com, {first}{l}@acs-inc.com, {first}{last}@acs-inc.com, {f}.{last}@acs-inc.com, {last}@acs-inc.com, in descending order of frequency.