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The most common Duo Security email format is [first_initial][last] (ex. jdoe@duo.com), which is being used by 85.4% of Duo Security work email addresses. Other common Duo Security email patterns are [first]-[last] (ex. jane-doe@duo.com) and [first] (ex. jane@duo.com). In all, Duo Security uses 9 work email formats.
| Email Format | Example | Percentage |
|---|---|---|
| [first_initial][last] | jdoe@duo.com |
85.4%
|
| [first]-[last] | jane-doe@duo.com |
6.3%
|
| [first] | jane@duo.com |
4.1%
|
| [first][last_initial] | janed@duo.com |
1.4%
|
| [first].[last] | jane.doe@duo.com |
1.0%
|
| [first][last] | janedoe@duo.com |
0.7%
|
| [last] | doe@duo.com |
0.6%
|
| [last][first_initial] | doej@duo.com |
0.4%
|
| [first_initial][last_initial] | jd@duo.com |
0.1%
|