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OneDrive is much better than the Dropbox, Onedrive give you Unlimited space with Office 365 for $70 year
I have been a user for many years. I am a freelance artist, and generate quite a lot of media content, which requires space.
As a freelancer, I only need one user login of DropBox, so the Professional account was great. But in order to keep my usage level below 3TB, I have to offload my completed projects to another online cloud service. This is time consuming and dangerous as it is possible to lose data while migrating.
So make a professional account which has unlimited space. You can charge the same as Business Advanced, but don't require a minimum of 3 users. Because it's only me using it.
Also, there are times when I need to collaborate with bigger studios, which are already using Business Advanced and Teams. I can't join their Team if I have my own Business Advanced account, but I also then get charged for the shared space with them, which overloads me past the 3TB limit of a Professional account. Which then makes the entire Dropbox system impossible to work with.
So please, immediately implement another account tier which is a Professional Account with Unlimited Space.
Thank you.