application/vnd.microsoft.portable-executable

Windows or EFI program

DescriptionWindows or EFI program
File extensions.cpl, .dll, .drv, .efi, .exe, .lib, .ocx, .scr, .sys
Based onapplication/x-msdownload
Signature (magic bytes)4D 5A (MZ)

Frequently asked questions

What is the MIME type application/vnd.microsoft.portable-executable?

application/vnd.microsoft.portable-executable denotes “Windows or EFI program”.

Which file extension does application/vnd.microsoft.portable-executable use?

Files of type application/vnd.microsoft.portable-executable usually end in .cpl, .dll, .drv, .efi, .exe, .lib, .ocx, .scr and .sys.

How does a web server serve application/vnd.microsoft.portable-executable correctly?

With the header Content-Type: application/vnd.microsoft.portable-executable. In nginx: types { application/vnd.microsoft.portable-executable cpl dll drv efi; }; in Apache: AddType application/vnd.microsoft.portable-executable .cpl .dll .drv .efi.

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