Vector graphics drawing file for Microsoft Visio
To view a VSD file without Visio installed, Microsoft provides the Visio Viewer. After Visio Viewer is installed, Internet Explorer can open the Visio Drawing file.
MIME type: application/visio, application/x-visio, application/vnd.visio, application/visio.drawing, application/vsd, application/x-vsd, image/x-vsd, zz-application/zz-winassoc-vsd
Learn more about .VSD files:
Visit the Microsoft Visio web page.
See answers to Visio-related questions at ITKnowledgeExchange.com.