This is a settings overview for the Import/Export > Categories page. 

Categories: Import CSV 

1. Update item if item with cat_id/cat_slug already exists. – This will attempt to update a category if the category ID/slug field exists.
2. Ignore item if item with cat_id/cat_slug already exists. – This will ignore rows that have an ID in the category ID and slug fields and only import rows with no IDs/slugs.

Categories: Export CSV

1. Post Type – Selects the post type.
2. Max Entries per CSV File – Maximum number of entries in the exported CSV file.
3. Progress – Progress bar showing elapsed time.