Visio Professional 2021 is Microsoft's premier diagramming tool designed to simplify complex data through easy-to-understand visuals, and it's on sale for $29.99 right now (reg. $250). With Visio, users can choose from pre-made templates, starter diagrams, and stencils, and the app supports a variety of diagram types including flowcharts, org charts, and floor plans. Visio works naturally with touch-enabled devices, supporting finger or pen drawing and annotation. It allows users to access templates not available in Visio for the web, automatically generate org charts from data sources like Excel or Exchange, and provides a comprehensive on-premises diagramming solution. This license is for a lifetime subscription that can be used for one PC, and it includes all the features of Visio Standard, plus additional templates, shapes, and collaboration features, enabling users to build and validate diagrams supporting industry standards like BPMN 2.0, IEEE, and UML 2.5. Please note that this offer doesn't include a Microsoft 365 subscription.

You can get Microsoft Visio 2021 Professional for Windows on sale for $29.99 right now (reg. $250), though prices can change at any time.