SDF files are automatically opened by their related programs, which include Autodesk programs and other SQL Server programs. In addition, a variety of free SDF file viewers are available for download.
Standard Database Format, or SDF, files store structured data, utilizing fixed-length fields to store data values. The SDF format is often used to transfer data files between different database and data analysis programs. In addition to Autodesk programs, SDF files are heavily associated with SQL files, which are a Microsoft compact relational database creation popularly used in applications that run on both desktop computers and mobile devices. Double-clicking on a SDF file allows Windows to choose the correct software application into which the file's data should be integrated.