To do this task
Go to the Lists menu, choose Customer
& Vendor Profile Lists, and then click Job Type
Select the job type you want to change.
Click Job Type at the bottom of the list and click Edit Job Type.
Change the information in the Job Types window as needed.
To rename the job type:
Select the current name.
Enter the new name for the job type.
To make the job type a subtype of another job type:
Click the Subtype of checkbox.
Choose a "parent" job type from the drop-down list.
To turn the job type from a subtype back to a "main" type:
Clear the Subtype of checkbox.
About job types
Create a job type
Make a job type