American Express Open Email Format

The most common American Express Open email format is [first][last] (ex. janedoe@open.com), which is being used by 23.5% of American Express Open work email addresses.

Other common American Express Open email patterns are [last][first_initial] (ex. doej@open.com) and [last] (ex. doe@open.com). In all, American Express Open uses 6 work email formats.