File extension .MDE
Full Name | Developer | Category |
---|---|---|
Microsoft Access Compiled Database (application) Format | Microsoft | Plugin Files |
The MDE file extension is associated with the Microsoft Access software. Microsoft Access is a powerful relational database management system used for creating robust database applications. The MDE or "Microsoft Access MDE" file type contain an executable code which is compiled from an original Microsoft Access project and recorded in a single secure database file.
What Does the MDE File Contain?
The .mde file contains the compiled source code in a fully executed state of the project, as well as other related information such as table structures, SQL queries, stored procedures and other user-defined functionalities which are necessary for the proper functioning of the application. The data is stored in an Access database format and can only be read by applications that support this format. The file is protected by a secure digital signature. This ensures that any modification to the file will be detected and an alert will be generated.
Similar File Extensions
Other related file extensions include .accdb, .accde, .ade, and .adp, all of which are associated with Microsoft Access program.
Programs for WINDOWS system
After installing the required software, the operating system will usually automatically associate an unknown file type (in this case .MDE) with the new application. If this does not happen, we can help the system a bit by selecting the software for it, which it should always use to open files with the .MDE extension.
When choosing the software we can select the system to use this software every time.
Remember!
Using it for the first time it is good to check whether the .MDE file opened in the application can be read by us and opens in a way that allows us to use it. If everything is in order, select this option the next time you open a file with the .MDE extension. However, if the file has not opened correctly, we have to look for a different software, with which we can open files with the .MDE extension. Select a different software from our list and install it on your computer. After the software is installed, repeat inspection openings of a .MDE file. Sometimes you have to repeat the operation several times.
Other instructions
If none of the programs listed by us to work with the .MDE file has not meet your expectations, you can try searching other websites. But remember to avoid downloading programs "that can open any file". These applications not only have very limited functionality, but may also expose you to expense tens of dollars when purchasing a license.
In the vast majority of cases you will find the program dedicated to support the .MDE file, or any other file format. In addition, there is a chance that it will be a free program, and its functionality (concerning the .MDE file) will be extended to the maximum.
It is also good to check
- if the .MDE file has no errors
- or if it has been copied (or downloaded by the browser) thoroughly
Author’s guidelines

Mr B. Adam
Author of the guidelines / Founder of FileExtension.info
New technologies enthusiast, helping to solve problems with the files.
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