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.DCR·File Extension

DCR Data & Text — A .dcr file is a DCR Data & Text. It is a text-based data format widely used for configuration files, data interchange and API payloads.

Data & Textapplication/x-director

Quick facts

Extension.dcr

File typeDCR Data & Text

MIME typeapplication/x-director

CategoryData & Text

Charset—

Compressible—

What is .dcr

What is a .dcr file?

A .dcr file is a DCR Data & Text. It is a text-based data format widely used for configuration files, data interchange and API payloads.

In the mime-db registry it maps to application/x-director. When serving .dcr over HTTP, set the Content-Type header as shown in Developer info below.

Related entities: it maps to application/x-director — and is delivered over HTTP via the Content-Type header.

How to open .dcr files

Use VS Code or Notepad++ to open and edit .dcr files.
Any text editor (Notepad, VS Code) can inspect the raw content as text.

Developer info

When served over HTTP, responses should set the following header:

Content-Type: application/x-director

Common software that reads/writes .dcr:

VS CodeNotepad++Sublime Textjq

Relation chain

.dcrextension of

format

DCR Data & Textserved as

mime type

application/x-directorsent via header

http header

Related extensions

Related MIME types

application/x-director

.dir .dcr .dxr

Common uses

Configuration files
Data interchange between systems
API request and response payloads
Logs and data exports

How to edit .dcr files

Open the file with VS Code, make your changes and save.
Most editors preserve the original formatting and encoding — avoid changing the charset.

How to create .dcr files

Create a new file and save it with the .dcr extension, or export this format from VS Code.

Frequently asked questions

What programs can open .dcr files?

Common options include VS Code, Notepad++, Sublime Text. You can also open many of these files with built-in viewers or a browser.

How do I create a .dcr file?

Create a new file in any text editor or the app that owns the format and save it with the .dcr extension.

What is the relationship between .dcr and the application/x-director MIME type?

application/x-director is the media type identifier used for .dcr files during network transfer (for example in the HTTP Content-Type header).

Sources & standards

Updated 2026-09-13

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