Files with crd extension are generally used for Cardfile personal manager for old versions of Windows OS. Can be imported into latest Windows.

There are 6 other file types using
the CRD file extension!

empty icon.crd - CARE-S InfoWorks catchment runoff data

empty icon.crd - Guitar chord

empty icon.crd - Spanish Whiz card game sound file

empty icon.crd - ALAN Map 500 map file

empty icon.crd - Holux MapShow map

empty icon.crd - CHARTrunner dashboard

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CRD file extension - Microsoft Windows cardfile database

What is crd file? How to open crd files?

File type specification:

Various data file type icon Various data file type

crd file icon: crd filetype icon

File extension crd is used for Cardfiles. Cardfile is a personal information manager that was distributed with Microsoft Windows starting from the original version 1.01 until Windows NT 4.0 Server.

Cardfile is also included with Windows 98 and Windows Millennium Edition, but has to be installed manually from the installation CD-ROM. Beginning with Windows 3.1, Cardfile supported Object Linking and Embedding.

The version supplied with Windows NT versions was a 32-bit application with unicode support. Both later versions can read the .crd files created by previous versions.

MIME types:

This crd file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

Updated: November 22, 2023

The default software associated to open crd file:

Microsoft Windows icon

Microsoft Corporation logoMicrosoft Windows  Microsoft Windows software

Company or developer:
Microsoft Corporation

A family of operating systems developed by the Microsoft Corp. The first Windows was released in 1985 as a GUI add-on to MS-DOS. MS-DOS based Windows versions were developed to 2000, when was released the last version called Windows ME. Windows based on NT core started in 1993. Windows NT family are developed to these days, the latest version is called Microsoft Windows 11.

Help how to open:

Use Cardfile in Microsoft Windows. Only from Windows 1.01 to NT 4.0 or Windows CardSpace in Windows 2000/XP/Vista/7.

How to convert:

Use Cardmate to transform *.crd files to other file formats.

List of software applications associated to the .crd file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open crd file, edit crd file, convert crd file, view crd file, play crd file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting crd files.

Software that open crd file - Microsoft Windows cardfile database

Programs supporting the exension crd on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open crd file action.

Microsoft Windows:

Main software associated with crd file by default:
Microsoft Windows small icon Microsoft Windows
Other suggested software:
Microsoft Windows NT 4.0 small icon Microsoft Windows NT 4.0
Microsoft Windows Millennium Edition small icon Microsoft Windows Millennium Edition
Microsoft Windows 3.x small icon Microsoft Windows 3.x

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