Some day ago I tried to import my feed from opml file. I read many feeds and they were organized in my opml file in folders. But folders weren't imported. So import of folders is necessary
AdminAnuj Agarwal (Founder, Feedspot) commented
Could you please email me your opml file [email@example.com]
Also, please include the email address you used to create your feedspot account.
Will fix this issue and get back to you with a solution.