Microsoft Visio is a diagramming and vector graphics application for Windows. Simplify and communicate complex information with data-linked diagrams that you can create in just a few clicks. Microsoft Visio makes diagramming simple. Whether you want to quickly capture a flowchart that you brainstormed on a whiteboard, map an IT network, build an organizational chart, document a business process, or draw a floor plan, Microsoft Visio helps you work visually.
Create professional diagrams quickly
Get started with Visio easily with a select set of pre-crafted starter diagrams and contextual tips and tricks. Use smart shapes to boost productivity, and leverage new themes and effects to customize and complete professional-looking diagrams faster.
Bring diagrams to life with data linking
Connect data to the visualization of an organizational structure, IT network, manufacturing plant, or complex business processes to grasp performance in one glance. Visio shapes can be linked to multiple data sources including Microsoft Excel, Microsoft Excel Services, Active Directory, Microsoft SQL Server, Microsoft SQL Azure, and Microsoft SharePoint Lists and Business Connectivity Services. Use data graphics such as icons, colors and text to simplify and enhance the visualization of complex information. Take advantage of the new one-step connectivity with Excel tables and swap data graphics to your preference with one click.
Communicate one version of truth visually
Communicate and share your flow chart, timeline, process maps, organizational structure, IT architecture, or floor plan across the enterprise through a web browser with Visio Services in Office 365 or SharePoint. As your underlying data refreshes, your diagrams is refreshed in the browser. Work together on the same diagram at the same time and easily see reviewers' comments—in both Visio and Visio Services.
Note: 30 days trial version. Requires .NET Framework.

Microsoft Visio Premium 2010 (64-bit) takes diagramming to a new level with dynamic, data-driven visualization tools and templates, enhanced process management capabilities, and advanced Web sharing.
Bring real-time data together from multiple sources, including Excel and Microsoft SQL Server, in one powerful diagram using vibrant graphics like icons and data bars. Manage processes with sub-processes and rules and logic validation to ensure accuracy and consistency across the organization. Create SharePoint workflows and export them to Microsoft SharePoint Server 2010 for real-time execution and monitoring.