MDE File Extension

Programs that support MDE files

• Windows ⁴
• Mac OS ⁴
• Linux ¹

Windows

• Microsoft Access
• Microsoft Excel
• Microsoft 365
• Microsoft Office

Mac OS

• ACCDB MDB Explorer
• Microsoft Excel
• Microsoft 365
• Microsoft Office

Linux

• Microsoft 365

How to open a MDE file?

If you are having trouble opening a MDE file, it usually means the right software is not installed. Choose a program from the list that matches your operating system. Next, visit the official website of the developer, download the software, and install it on your device.

The most popular programs for working with MDE files are Microsoft Access, ACCDB MDB Explorer and Microsoft Excel. To install the current version of Microsoft Access, go directly to the official Microsoft website. The universal package for all operating systems is available there.

After setup, the operating system should recognize MDE files and link them with Microsoft Access.

Setting Microsoft Access as default MDE viewer

Changing the default program in Windows

1. Right-click on your MDE file and choose the "Open With" option. Then click "Choose another app" to continue the process;
2. Choose Microsoft Access from the available applications listed in the pop-up window to set it as the default application to open your MDE file;
3. Be sure to check the "Always use this app" checkbox, and then click "OK" to confirm your selection.

Change the default app for a file type in Mac

1. Initiate a right click or use Control + left click on the desired MDE file to open a menu where you can select various actions;
2. Select "Open in application" and click "Other";
3. Scroll down to the bottom of the window, and there you will find the "Enable" menu. The default selection is "Recommended Programs";
4. Choose "All Programs" within this menu and locate Microsoft Access. Check the box next to "Always open in app" to set it as the default program.

Convert to and from MDE

For difficult MDE files, try converting them to formats like PDF, CSV, XLSX or similar formats to improve usability.

Please note that after converting a MDE file, some functionality may differ from the original. However, in many cases, it can be converted back to its original format.

Convert MDE to other file formats

• MDE to PDF
• MDE to XLSX
• MDE to CSV

Tips and tricks to solve problems with MDE files

MDE files can sometimes be tricky, but minor software adjustments usually resolve the issues. Refer to the tips below for guidance.

How to edit a MDE file?

To edit MDE files, you need to install specialized software that allows you not only to open but also to modify database files. Online MDE editors usually provide fewer features than software created specifically for Compiled Access Add-in Format.

Best MDE editors in 2026

Based on your described criteria, here is a list of available MDE editors.