What is .DSN file extension?
File used by various database client programs to connect to a database; describes properties, such as the data source name and directory, the connection driver, the server address, user ID, and a password; used by ODBC drivers to connect to a specified database, such as a SQL Server or Microsoft Access database.
DSN files are typically stored in a plain text files. However, some client database programs use entries in the Windows registry instead of DSN files.
The ODBC Data Source Administrator included in Windows can be used to create DSN files. It can be found within the Windows Control Panel under Administrative Tools, or in the Start Menu by selecting Programs ? Administrative Tools ? Data Sources (ODBC).
You can see a list of software programs here on www.easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.