Path: Marketing > Templates > Manage Categories 

Custom categories can be created to better manage/filter/sort email marketing templates. Follow the path above to get to the Manage Template Categories screen. 

Create a New Category - enter the category name of choice and click Create Category. 

Manage Existing Categories - select Edit or Delete to manage existing categories - Update once done. 

Once saved, the category options will be available when creating a new marketing template. Click here to view how to create a marketing template. 

Users can view/sort/filter templates by Category under Marketing - Templates. Choose a category to filter out the list of templates.