When you are importing your products you can assign them to categories within Master Data. This will speed up the product assigning portion.
Here is how you do it:
In your spreadsheet create a header that says 'Category'
In the cells, create a product pathway that your products are in
Example:
3. After you import, select 'Root Category' in the top left, and there will now be additional options based on your pathways to select from.
Here's an example:
That's it!
If you have any questions we are here to help.