EFI Email Format
The most common EFI email format is {first}.{last}@efi.com (e.g. jane.doe@efi.com), used in about 94% of observed EFI work emails. EFI uses 8 address formats in total.
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EFI email formats
94.3% of observed EFI addresses use the {first}.{last}@ format, the most common pattern among manufacturer companies.
Email formatExampleShare
{first}.{last}@efi.com✓ verified
Examplejane.doe@efi.com
{f}{last}@efi.com
Examplejdoe@efi.com
{first}{l}@efi.com
Examplejaned@efi.com
{first}@efi.com
Examplejane@efi.com
{last}@efi.com
Exampledoe@efi.com
{first}{last}@efi.com
Examplejanedoe@efi.com
{last}.{first}@efi.com
Exampledoe.jane@efi.com
{first}_{last}@efi.com
Examplejane_doe@efi.com
About EFI
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Frequently asked questions
What is EFI's email format?
The most common EFI email format is {first}.{last}@efi.com (for example jane.doe@efi.com), used in about 94% of observed EFI work addresses. EFI also uses 7 other formats for name collisions.
How accurate is this EFI email format?
This format is derived from 2,983 real EFI addresses observed across our data, not guessed. To confirm a specific address, use the live verifier above — it checks deliverability in real time.
How do I find and verify a specific person's EFI email?
Apply the most common pattern to the person's name (e.g. jane.doe@efi.com), then verify it on this page — or use the Find tab to get the likely address from their name automatically.
What other email formats does EFI use?
Beyond {first}.{last}@efi.com, observed formats include {f}{last}@efi.com, {first}{l}@efi.com, {first}@efi.com, {last}@efi.com, {first}{last}@efi.com, {last}.{first}@efi.com, {first}_{last}@efi.com, in descending order of frequency.
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