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What is a .prn file?
A .prn file is a Microsoft Print File. This one is a specialist format without an obvious everyday home.
How to open a .prn file
- The program that created it is by far the most reliable way to open it.
- On Windows, use a hex viewer or the free TrID tool to identify what the file really is.
- On Mac or Linux, running `file yourfile` in the terminal identifies most formats instantly.
The registry records this extension against Microsoft Print File, so software from that family is the most likely match.
How to convert a .prn file
- Identify the file first, then look for an export or Save As option in whatever program can read it.
The technical record
For archivists, developers and the merely curious: these are the PRONOM registry entries for .prn.
| Format name | Version | MIME type | PUID |
|---|---|---|---|
| Microsoft Print File | — | — | x-fmt/90 |