What is MIME type "application/vnd.ms-powerpoint.slide.macroenabled.12"?

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

The MIME type application/vnd.ms-powerpoint.slide.macroenabled.12 identifies a Microsoft PowerPoint slide that supports macros.
It is used for a single slide file that can run embedded scripts to automate tasks or add interactive actions.
Files of this type are created in Microsoft PowerPoint and follow an XML-based format, which is part of the Office Open XML standards.
They can contain VBA code and other dynamic elements that execute when the slide is opened in a trusted environment.
It is associated with the SLDM extension.

Macro Support: Runs embedded programs for automated functions within the slide.
Interactive Features: Enhances slide transitions and dynamic content with custom actions.
Security Considerations: May trigger alerts since macros can execute code; caution is advised.
Standards Based: Part of the Office Open XML family used by Microsoft Office.

For more details on how these slides work, visit Microsoft PowerPoint.

Associated file extensions

.sldm

Usage Examples

HTTP Header

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


    Content-Type: application/vnd.ms-powerpoint.slide.macroenabled.12

HTML

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


    <a href="file.dat" type="application/vnd.ms-powerpoint.slide.macroenabled.12">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/vnd.ms-powerpoint.slide.macroenabled.12');
      res.end('Content here');
    }).listen(3000);

Associated file extensions

.sldm

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.