To move a custom subcategory to another category, please follow the instructions below:
1. Click on Settings in the menu bar.
2. Under the Basic Settings page click on Categories.
3. Click on the main category under which your custom subcategory is located.
4. Select the custom subcategory you want to move.
5. From this screen you will be able to edit your custom subcategory and choose another category by clicking on the name of the default subcategory and choosing another one from the list that pops up.