MDW File Type

By:   |   Last Updated: November 26, 2018

Microsoft Silver

MDW File Summary

Our most recent information indicates that MDW files are associated with only a single known file type, the Access Workgroup File format, and can be viewed with the Microsoft Access software package (developed by Microsoft Corporation). MDW files are traditionally categorized as Uncommon Files.

File Extension MDW files have been identified on both desktop and mobile devices. The Popularity Rating for MDW files is "Low", which means these files are not ordinarily found on an everyday user's device.

To learn more about MDW files and their associated software applications, please see the information below. Plus, we provide a basic troubleshooting guide to solve problems with opening MDW files.

Low
Popular
8322
Position

/ 11690

Active

File Status

26

November

2018

Page Last Updated

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Kinds of MDW Files


Dominant MDW File Type

.MDW
File Format:.mdw
Classification:Access Workgroup File

MDW file is used to store user names and passwords of users allowed to open a specific Access database. To be effective, it needs to be linked to an Access database.

Organization: Microsoft Corporation
Kind:Uncommon Files
Key: HKEY_CLASSES_ROOT\.mdw

Software Programs That Open The Access Workgroup File:


Microsoft Access by Microsoft Corporation

Windows

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MDW Requests


Leading Device Types

Desktop (84.34%)
Mobile (14.29%)
Tablet (1.37%)


Sources of MDW Problems


Issues Opening MDW Files

Missing Microsoft Access

When you double-click your MDW file, you may see a dialog box from your operating system stating that it "Cannot Open This File Type". Generally, this is experienced in %%os%% because Microsoft Access isn't installed on your PC. You won't be able to double-click to open your MDW because your OS doesn't know what to do with it.


Tip: If you don't have Microsoft Access installed, and you know of another program to open your MDW file, you can try opening it by selecting from the programs listed under "Show Apps".


Outdated Microsoft Access

In some cases, you might have a newer (or older) version of a Access Workgroup File file that is unsupported by your installed application version. Download the latest Microsoft Access version from the Microsoft Corporation website to ensure you have the correct one installed. This problem is predominately due to having a Access Workgroup File file version that was created by a newer version of Microsoft Access than what you have installed on your PC.


Tip: Right-clicking on your MDW, then clicking "Properties" (Windows) or "Get Info" (Mac), can provide clues about your file version.


Conclusion: The majority of MDW file opening issues are due to not having the correct Microsoft Access version installed.


More Causes of Problems Opening MDWs

Errors opening Access Workgroup File files can still occur even with the latest Microsoft Access software installed on your computer. There can be other issues - unrelated to software - preventing you from opening MDW files. Other contributing causes:

  • MDW file references in the Windows Registry are broken
  • Mistaken removal of the Windows registry MDW description
  • Microsoft Access or another MDW application experienced a flawed installation
  • MDW file corruption
  • Your MDW is infected with malware
  • Drivers associated with MDW software need to be updated
  • Your PC doesn’t have enough available resources to open the Access Workgroup File file

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