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-8