We are provided several packages suitable with the needs

You can go in details her

Each user has a 50 GB for the offered packages. click here

Yes you can upgrade the plan based on your needs
The minimum number is 50 users and 50 GB per user
If the service is activated, the fees will not be refunded
Currently through bank transfer or payment system (Sadad), and soon, we will provide payment service using credit cards.
Yes, within the professional package