What is a sdr file and how do I open a sdr file?
SDR files are SmartDraw drawing files that store one of 70 different types of drawings including flowcharts, project plans, calendars, organizational charts, mind maps, or floor plans. It is primarily used in business environments to create professional-quality visuals. SmartDraw can import VSD files, and export SDR files directly into opened Microsoft Word, Excel, PowerPoint, and Project.
Relevant sdr file links:How to open sdr file on Youtube
How to open sdr file on Wikipedia
How to open sdr file on Microsoft.com