In the company Prime Energia, We use Zoho Docs for sharing files and folders general, but after a time exist problem with synchrony the files,  and control is basic for high used the data. Now we need add more time for payment anual and don't exist a reply the Zoho Support

The plan is premium, 49 users account , with used total the 4 terabytes in two years, How don't is possibly give one free month ?