These functions assist in making outline queries.
| Function | Description |
| EssOtlGetMemberField() | Returns data for the specified field of a specified outline member |
| EssOtlOpenOutlineQuery() | Opens an existing outline |
| EssOtlQueryMembers() | Queries the outline, using a member handle |
| EssOtlQueryMembersByName() | Queries the outline, using a member name string |
| EssOtlQueryMembersEx() | Queries specific members and member fields, and returns an array of member handles |
| EssOtlQueryAttributes() | Queries the outline for attribute information. |
| EssOtlQueryAttributesEx() | |
| EssOtlFreeMembers() | Frees the member array returned from EssOtlQueryMembers() |