What is MIME type "application/prs.cww"?

A MIME type is a string that tells browsers and other tools how to handle a particular kind of file.

application/prs.cww defines a specific file format. It tells systems and browsers how to handle files created with the proprietary CWW structure.

This MIME type signals that the file uses a private registration scheme. It is not a widespread standard but is instead tailored to the needs of a particular application or set of applications.

Main use: Assists software in correctly identifying and processing structured content.
Functionality: Guides systems on converting and displaying the file data as intended.
Security features: Helps prevent misinterpretation by ensuring only the relevant applications process the file.

Developers use application/prs.cww to enforce proper file handling. This directs the operating system and web servers to use the appropriate tools for opening and processing content. For more technical details, visit the IANA registration.

Associated file extensions

.cww

Usage Examples

HTTP Header

When serving content with this MIME type, set the Content-Type header:


    Content-Type: application/prs.cww

HTML

In HTML, you can specify the MIME type in various elements:


    <a href="file.dat" type="application/prs.cww">Download file</a>

Server-side (Node.js)

Setting the Content-Type header in Node.js:


    const http = require('http');
    
    http.createServer((req, res) => {
      res.setHeader('Content-Type', 'application/prs.cww');
      res.end('Content here');
    }).listen(3000);

Associated file extensions

.cww

FAQ

What is a MIME type?

A MIME (Multipurpose Internet Mail Extensions) type is a standard that indicates the nature and format of a document, file, or assortment of bytes. MIME types are defined and standardized in IETF's RFC 6838.

MIME types are important because they help browsers and servers understand how to process a file. When a browser receives a file from a server, it uses the MIME type to determine how to display or handle the content, whether it's an image to display, a PDF to open in a viewer, or a video to play.

MIME types consist of a type and a subtype, separated by a slash (e.g., text/html, image/jpeg, application/pdf). Some MIME types also include optional parameters.

How do I find the MIME type for a file?

You can check the file extension or use a file identification tool such as file --mime-type on the command line. Many programming languages also provide libraries to detect MIME types.

Why are multiple MIME types listed for one extension?

Different applications and historical conventions may use alternative MIME identifiers for the same kind of file. Showing them all helps ensure compatibility across systems.