What is MIME type "text/vbscript"?

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

The MIME type text/vbscript tells software that a file contains VBScript code. It is a text format used to deliver instructions usable by the Windows Script Host or legacy web browsers.

Files labeled with this MIME type often carry the file extension VBS. Code written in this language automates tasks and performs operations on Windows.

Key uses include:

Automation: Running scripts to manage system tasks and simplify routine operations.
Legacy Web Functionality: Embedding scripts in web pages for older versions of Internet Explorer.
Scripting Applications: Quick development of small programs for administrative tasks.

Learn more about VBScript on the VBScript Overview page.

Associated file extensions

.vbs

Usage Examples

HTTP Header

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


    Content-Type: text/vbscript

HTML

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


    <a href="file.dat" type="text/vbscript">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', 'text/vbscript');    
      res.end('Content here');    
    }).listen(3000);

Associated file extensions

.vbs

FAQs

Do modern web browsers support text/vbscript?

No, modern browsers like Chrome, Firefox, and Edge do not support VBScript. It was a proprietary language supported primarily by older versions of Internet Explorer (IE10 and below). For modern web development, you should use text/javascript instead.

How do I configure Apache to serve .vbs files correctly?

To ensure .vbs files are identified correctly, add the MIME type definition to your server configuration or .htaccess file. Use the directive: AddType text/vbscript .vbs. This ensures the browser recognizes the content type, though most will simply download the file rather than execute it.

Are files with the text/vbscript MIME type dangerous?

They can be. Because VBScript has deep access to the Windows operating system via the Windows Script Host (WSH), .vbs files are frequently used as vectors for malware. You should never execute a script delivered via email or an untrusted website.

What is the difference between text/vbscript and application/vbscript?

While you might see application/vbscript used occasionally, text/vbscript is the standard IANA-registered media type for VBScript code. Using the text/ top-level type indicates that the file is human-readable, whereas application/ implies a binary or specific processing application.

Why does my browser download the .vbs file instead of running it?

Since modern browsers have deprecated or removed support for VBScript for security and compatibility reasons, they treat the file as generic text or a download. To run the script, you usually need to save it locally and execute it using the Windows native WScript or CScript tools.

Should I use text/vbscript for client-side scripting?

No. VBScript is considered a legacy technology for web pages. It is not cross-browser compatible and does not work on mobile devices or non-Windows platforms. You should use JavaScript and the standard MIME type text/javascript for all client-side logic.

General 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.