What is MIME type "application/vnd.ms-excel.sheet.binary.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-excel.sheet.binary.macroenabled.12 identifies a Microsoft Excel workbook saved in a binary format. Files with this type are stored as XLSB files.
This format is built for fast processing and compact file sizes.
The “macro enabled” part means the file can include small programs that automate tasks.

• Performance: The binary format loads and saves data quickly.
• Automation: Embedded macros run repetitive tasks without manual input.
• Efficiency: It handles large datasets efficiently.
• Business use: Often used in corporate environments for complex data handling.

For more details on Excel file formats and their uses, visit this resource.

Associated file extensions

.xlsb

Usage Examples

HTTP Header

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

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

HTML

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

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

Associated file extensions

.xlsb