Altium Designer Documentation
...
Dialog Reference
A to F
Change Type
Created: October 19, 2016 | Updated: June 16, 2017
| Applies to versions: 17.0 and 17.1
Now reading version 16.0. For the latest, read: Change Type for version 19.1
The Change Type dialog
Summary
The Change Type dialog is used to change the type of component.
Access
The dialog is accessed by selecting Change component type from the right-click menu in the Preview Stage of the Library Migrator (View » Library Migrator).
Options/Controls
Enter the new parameter name in the textbox or use 
to open the Component Type dialog and choose the new type.