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What is a .gbr file?
A .gbr file is a Gerber Format. This one is a specialist format without an obvious everyday home.
How to open a .gbr 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 Gerber Format, so software from that family is the most likely match.
How to convert a .gbr file
- Identify the file first, then look for an export or Save As option in whatever program can read it.
MIME type
When a .gbr file travels over the web, servers label it with this MIME type:
application/vnd.gerberThe technical record
For archivists, developers and the merely curious: these are the PRONOM registry entries for .gbr.
| Format name | Version | MIME type | PUID |
|---|---|---|---|
| Gerber Format | — | application/vnd.gerber | fmt/664 |