File extension .CRD
Full Name | Developer | Category |
---|---|---|
Microsoft Windows Cardfile Database Format | Microsoft | Misc Files |
CRD (Windows CardSpace File) file extension is a document type used with Microsoft Windows CardSpace. This component comes with the Microsoft.NET framework, which is a software application development package available for Windows platform. The CRD files are used to store identity information such as credit card or banking information. It contains all necessary data required for authentication, roles, and bindings. This type of file is unique in its ability to create secure identities and enable users to authenticate from multiple sources.
Technical Details
A CRD file is stored in an XML format with all necessary identities, rules, and bindings included. The extent of the security around authentication and identity usage of the file is totally dynamic and can adjust to the data stored in it. Accessing this type of file requires the user to be authorized by a Windows User Account, making it more secure than other types of files. Moreover, this type of extension is limited to specific hardware, making accessing outside of an approved device difficult.
Similar File Extensions
CRD files have some similarity to other extension formats that contain identity and security information such as .PFX, .P12, .CER, and .DER, among others.
Programs for WINDOWS system
After installing the required software, the operating system will usually automatically associate an unknown file type (in this case .CRD) 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 .CRD 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 .CRD 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 .CRD 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 .CRD extension. Select a different software from our list and install it on your computer. After the software is installed, repeat inspection openings of a .CRD file. Sometimes you have to repeat the operation several times.
Other instructions
If none of the programs listed by us to work with the .CRD 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 .CRD file, or any other file format. In addition, there is a chance that it will be a free program, and its functionality (concerning the .CRD file) will be extended to the maximum.
It is also good to check
- if the .CRD 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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