I've got around 10 top level folders; and one of these folders, I have around 70 subfolders, and 4 or 5 nested folders. When I try to create a new folder I receive a message saying: You've reached the maximum numbers of folders.

I'm moving my mails from Thunderbird and Gmail to Outlook and outlook.com and I need to have more folders.

Thanks for the answers

Best regards

Josep