What is MIME type "application/vnd.ms-excel.template.macroenabled.12"?

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

This MIME type signals that a file is a Microsoft Excel template with macros enabled. It follows the Office Open XML standard and supports embedded automation code.

Templates let you start new spreadsheets with pre-set formatting, formulas, and even VBA code to automate tasks. They are designed for consistency and efficiency, ensuring that every new file follows a standard structure. Use caution with macros from untrusted sources.

• Main Use: Create new Excel workbooks with preset designs and built-in automation.
• Functionality: Enables macros to run tasks automatically.
• Interoperability: Uses the Office Open XML format for compatibility across systems.

The file is typically saved with the template extension XLTM.
For more details, see Microsoft Excel support.

Associated file extensions

.xltm

Usage Examples

HTTP Header

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

    Content-Type: application/vnd.ms-excel.template.macroenabled.12
  

HTML

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

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

Associated file extensions

.xltm