What is an MDE file?
An .MDE file is a compiled database application or a Compiled Access Add-in File. Microsoft created this format for Microsoft Access. It contains a compiled version of the database. The software compiles the code and removes the editable source code. Users can run the database, but they cannot change the design.
The .MDE extension has multiple possible meanings. It can also be a game effect data file for the Metin2 game by Ymir Entertainment. Alternatively, it can be an Education Module file for Archicad created by GRAPHISOFT.
How to open MDE files?
Users normally open these files with Microsoft Access. Because the .MDE extension has multiple meanings, you can use viewer.online/mde to identify the actual format of your file. viewer.online/mde analyzes .MDE files to identify their exact format and creator software, shows which programs can open the file, and usually previews it.
Best practices and troubleshooting
You must back up your original database before you compile it into an .MDE file. You cannot reverse the compilation process to edit the source code. Always keep the original source file in a safe location.
Summary
Because .MDE files use the known JetDB format, viewer.online/mde can safely open and display them online, eliminating compatibility problems.