Microsoft's business division is the second largest source of revenue for Microsoft.the business division's main product include Microsoft office SharePoint dynamics ERP and CRM and office wed apps.despite the diversity of these offering Microsoft office is the powerhouse of this division accounting for more than 90 percent of its sales.Microsoft office has overshadowed its competition and steadily captured 94 percent of market share foe several year running.according to Microsoft office has 500 million users and is installed on more than 81 percent of enterprise pcs.Google docs-an online cloud-based alternative to office is its nearest competitor claiming 4 percent of businesses and 25 million user after less than 4 years on the market