If you're needing to add another contact type to the drop-down within the contacts screen within One Office then please follow the below steps:
Note: This can only be done by a Supervisor on your side.
Login into DPSSQLconfig.
Click on Contacts.
Click on the sub-heading Applications.
Click on the application you wish to add the extra contact to.
On the right-hand side, under the section that says Other Contact Types Available, Drag your chosen contact into the above section.
Press Save.
Press OK.
If you're still experiencing issues with this then please raise a new case online and reference the title of this article.
Please include in the ticket:
The exact issue you are facing.
If you have any errors present, please send a screenshot of the error, if it says more details, please click on this and take a screenshot of this full error.