If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .qdr

On this page, we're going to take a closer look at the .qdr file extension, which is related to Q-Dir Configuration. We'll explain what exactly a .qdr fileformat is and how you can use it. If you're interested in learning more details about this type of file, we'll show you where to find them. And if you ever need to convert .qdr files into different formats, we'll give you some tips on how to do that too. Let's see the file format associated with this file extension!


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qdr file - Q-Dir Configuration

Q-Dir Configuration

The QDR file is a Q-Dir Configuration. Q-Dir is a quad-pane file explorer that is capable of displaying 4 explorer panes simultaneously.
Application: Q-Dir
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
.toe TouchDesigner Environment
.hcm IBM HCM Configuration
.psproj PostSharp Project Configuration
.vv Virt Viewer Configuration

The .qdr file extension might not only belong to a single type of file, there could be various kinds that use it. Keep in mind that files with the .qdr extension may contain various content types. If you have helpful information about this extension, write to us!

Could someone have spelled the .qdr file extension wrong?

In our database, we came across the following similar extensions:

.dqr FIU-IND Data Quality Report
.qrd BI/Query Result Set Data
.qdt Question Mark Designer Test Data
.qsr CARE-S Water Quality Simulation Results Data
.qrr BI/Query Result Set Informations
.qdd Rimage QuickDisk Job Data

The .qdr extension is frequently misused

People sometimes confuse the .qdr filename extension. Based on the searches on our site, here are the most common misspellings from the past year.

dqr (1), qrd (1), qdt (1), qsr (1), qrr (1), qdd (1), dr (1), qr (1), qde (1), qdf (1)

Having trouble opening a .qdr file?

If you want to open a .qdr file on your computer, you just need to have the appropriate program installed. Incorrect settings for the .qdr association can trigger this error.

Windows can't open this file:

File: example.qdr

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android