Hello @Marianne-KLF, thanks for checking in with us.
If you're trying to upload two or more folders in one go from the website, you can try:
- Signing in to the website.
- Navigating to the path you want your folders to be uploaded in.
- Find the folders on your computer.
- Drag them from your desktop to the browser, placing them into your Dropbox account.
I hope this helps, but let me know if you have any other questions. Cheers!