.cpio CPIO archive
Archives & packages
| MIME type | application/x-cpio |
|---|---|
| Description | CPIO archive |
| Category | Archives & packages |
| Signature (magic bytes) | 30 37 30 37 30 31 (070701)30 37 30 37 30 32 (070702) |
Frequently asked questions
What is a .cpio file?
A .cpio file is a “CPIO archive” (MIME type application/x-cpio).
How do I open a .cpio file?
With an archive tool such as 7-Zip (Windows) or the built-in archive manager on macOS or Linux. On the command line, use tar, unzip or 7z depending on the format.
How can you tell a genuine .cpio file?
By the bytes at the start of the file, the signature (magic bytes): 30 37 30 37 30 31 (070701) and 30 37 30 37 30 32 (070702). On Linux and macOS, file --mime-type example.cpio checks the real type regardless of the extension.
Which MIME type belongs to .cpio?
The MIME type is application/x-cpio. In the Apache web server: AddType application/x-cpio .cpio; in nginx: types { application/x-cpio cpio; }.