What is a .SDF File And How To Open It – Microsoft

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Have you downloaded a file with .sdf extension, but you have never seen this extension before? You most likely know what the file is, but you might be unsure on how to open it. That’s why you are here! We have made this guide for you to learn more about the .sdf file extension and how to open it.

What is a .SDF file?

The file extension .SDF is from SQL Server Compact Database File.This file extension was developed by Microsoft. The file is a database related file.

What to know

There is currently 0 software that can open the .sdf file on 0 platforms.


We don’t register any way of opening this file extension at the moment, kindly let us know if you have any information.