application/*
application/vnd.ms-excel
File extensions: .xls
Legacy binary Excel format.
What is application/vnd.ms-excel?
application/vnd.ms-excel identifies the older binary .xls Excel format (pre-2007). Serving legacy exports still exists but new systems should prefer .xlsx.
Typical usage
Downloads from legacy enterprise systems, exports for very old spreadsheet consumers.
HTTP header example
Response header
Content-Type: application/vnd.ms-excel; charset=utf-8Frequently asked questions
What is the application/vnd.ms-excel MIME type?
application/vnd.ms-excel identifies the older binary .xls Excel format (pre-2007). Serving legacy exports still exists but new systems should prefer .xlsx.
What file extension does application/vnd.ms-excel use?
Files served as application/vnd.ms-excel typically use the extension .xls. The most common is .xls.
How do I set the Content-Type for application/vnd.ms-excel?
Send the HTTP response header Content-Type: application/vnd.ms-excel; charset=utf-8. Downloads from legacy enterprise systems, exports for very old spreadsheet consumers.
Is application/vnd.ms-excel an official MIME type?
Yes. application/vnd.ms-excel is officially registered with IANA, so standards-conformant clients recognize it.