Files with FBD extension are associated with FlowBiz Worklow, a software application developed by FlowBiz. FBD is the default file format used by Workflow for storing procedure documents created by user.

FBD files can be edited and overwritten. FBD data can also be exported to PDF files or the default Word document format. FlowBiz Workflow is a project and workflow management software based on block diagrams and additional elements.