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The most common OPUS CERTUM email format is [first] (ex. jane@opus-certum.com), which is being used by 100.0% of OPUS CERTUM work email addresses. Other common OPUS CERTUM email patterns are [last] (ex. doe@opus-certum.com) and [first]_[last] (ex. jane_doe@opus-certum.com). In all, OPUS CERTUM uses 9 work email formats.
| Email Format | Example | Percentage |
|---|---|---|
| [first] | jane@opus-certum.com |
100.0%
|