A SDR file is used by the SmartDraw program.
The SmartDraw software is used in the business environment to create a range of illustrations and graphs, including diagrams and flowcharts. The SmartDraw program can import a number of other filetypes.
.sdr File
Extension
Developer:
SmartDraw.com
File category:
What are sdr files & how to open them - Smartdraw Drawing File
File category:
Developer:
SmartDraw.com