| ExpandGroup(ItemId) | Expands a group by retrieving a list of its members. Calling this method results in a call to EWS. |
| ExpandGroup(String) | Expands a group by retrieving a list of its members. Calling this method results in a call to EWS. |
| ExpandGroup(EmailAddress, CancellationToken) | Expands a group by retrieving a list of its members. Calling this method results in a call to EWS. |
| ExpandGroup(String, String) | Expands a group by retrieving a list of its members. Calling this method results in a call to EWS. |