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The most common KeyStone Learning Systems email format is [first_initial][last] (ex. jdoe@keystonelearning.com), which is being used by 63.6% of KeyStone Learning Systems work email addresses. Other common KeyStone Learning Systems email patterns are [first][last_initial] (ex. janed@keystonelearning.com). In all, KeyStone Learning Systems uses 2 work email formats.
| Email Format | Example | Percentage |
|---|---|---|
| [first_initial][last] | jdoe@keystonelearning.com |
63.6%
|
| [first][last_initial] | janed@keystonelearning.com |
36.4%
|