For Business, Microsoft Office 365 also come for small business or enterprises. For business purpose you can install the same product on multiple device for a year of subscription. There are multiple product for business like Office 365 Business, Office 365 Business Premium and Office 365 Business Essentials. Each product come with additional services. You can install the product by visiting https://www.office.com-setup-activation.com/
Yahoo technical support number 1-800-561-1225 to ensure that you have all of the account details ready and in front of you. This will allow us to assist you in a faster manner without having to delay the solutions.