With a customizable platform and price advantages for volume purchasing, the Open programs provide a simple, cost-effective way for small and midsize organizations to acquire the latest Microsoft technology. Simplicity and manageability With a customizable platform and price advantages for volume purchasing, Open programs provide a simple, cost-effective way to acquire the latest Microsoft technology.Microsoft Open programs offer the ability to add Online Services purchases to your agreement, so you can transition to the cloud at your own pace through your existing agreement.