The drag/drop functionality depends on which Internet browser you are using.
If you are using Internet Explorer, you’ll not be able to drag/drop the files or the folders directly into your C-Cloud online account.
If you are using Firefox, you’ll not be able to drag/drop folders directly into your C-Cloud online account, you can only do that with files.
Using Google Chrome, you’ll be able to drag/drop both files and folders directly into your C-Cloud online account.
You can use this feature only if you have Instant Storage