What is a .CRDS File And How To Open It – Microsoft (Simple Steps)

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While downloading files, you might have downloaded a file with the .crds extension. Perhaps you know what the file is, but you simply don’t know how to open it. That’s why you are here! We have made this guide for you to learn more about the .crds file extension and how to open it.

What is a .CRDS file?

The file extension .CRDS is from Windows CardSpace Backup File.The developer of this file extension is Microsoft. This file belongs to the binary format and it is a backup file.

What to know

There is currently 1 software that can open the .crds file on 1 platform.

How to open a .CRDS file?

Below you can find an easy to understand, step-by-step guide to open the .CRDS file on your operating system/device.

How to open a .CRDS file on Windows (7, 8, 10)

The .crds file can be opened in 4 steps on Windows.

1. The first step is to download the Microsoft Windows CardSpace software. You will be using this software in order to open the file.

Step 2

Step 2: Locating your .CRDS file

2. In the second step you need to locate the downloaded file. The file can be usually found in your /download/ folder if you don’t remember where you have downloaded it to.

Step 3

Step 3: Choose “Open with”

3. In the third step, after locating your file, right click on it and click “Open with”.

Step 4

Step 4: Choose the software and click ok

4. In the fourth step, after clicking “Open with”, you should see the Microsoft Windows CardSpace software that you have downloaded. Choose your software and click on “OK”. That’s all, now you have opened your file on Windows.

Still cannot open the .CRDS file?

If you are still unable to open the .CRDS file, it might be because you are trying to open the wrong one. The .CRDS file extension is similar to other file extensions such as: .crec – Microsoft, .crev – Adobe Systems, .crf – Cal3D, .crl – Certificate Revocation List File, .crop – Crick Software. You might be trying to open one of them. Please recheck the file extension again.


In this article you have learned how to open the .CRDS file with the Microsoft Windows CardSpace program on Windows.