How can we open the file .sdf Forum Home › Forums › Understanding the Software › How can we open the file .sdf This topic has 1 reply, 2 voices, and was last updated 5 years ago by Mikhail. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts April 10, 2019 at 5:24 am #5264 scadarapidParticipant Hi. I would like to ask you that how can we open the file name ScadaBase.sdf from C:\SCADA\BaseSDF thank you so much. April 10, 2019 at 6:50 am #5265 MikhailModerator Hi, This is SQL Server Compact files. However, you shouldn’t do this, because we will switch from SDF to XML very soon. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In