.GERBER File Extension

Printed circuit board photoplotter files

Question: What is an GERBER File?

Have you found, downloaded or received an GERBER file, but don't know which software program is required to open it?

Before attempting to open an GERBER file, you'll need to determine what kind of file you are dealing with and whether it is even possible to open or view the file format.

Answer: Files which are given the .GERBER extension are known as Printed circuit board photoplotter files, however other file types may also use this extension. If you are aware of any additional file formats that use the GERBER extension, please let us know.

How to open a GERBER file:

The best way to open an GERBER file is to simply double-click it and let the default assoisated application open the file. If you are unable to open the file this way, it may be because you do not have the correct application associated with the extension to view or edit the GERBER file.

This file format was added to our database by a visitor to this site, but no additional information was provided. We have yet to investigate this file type further, or there was not enough information available at the time to report accurately on the format.

Please check back soon for more information as we are constantly updating our file descriptions based on search frequency.

Tip: Try to open the GERBER file using a text-editor such as Notepad, as many file types contain simply contain unformatted plain-text and can viewed correctly using this method.

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Comments (1)
showing 1-1
2011-05-23 10:17:01
Gerber files refer to a group of files with various extensions and not a ".gerber" file.

The following table lists each of the Gerber files that can possibly be generated as output from a PCB document in a well known ECAD program.

G1, G2, etc Mid-layer 1, 2, etc
GBL Bottom Layer
GBO Bottom Overlay
GBP Bottom Paste Mask
GBS Bottom Solder Mask
GD1, GD2, etc Drill Drawing (assignment based on order of drill
pairs appearing in the Drill-Pair Manager dialog)
GG1, GG2, etc Drill Guide (assignment based on order of drill pairs
appearing in the Drill-Pair Manager dialog)
GKO Keep Out Layer
GM1, GM2, etc Mechanical Layer 1, 2, etc
GP1, GP2, etc Internal Plane Layer 1, 2, etc
GPB Pad Master Bottom
GPT Pad Master Top
GTL Top Layer
GTO Top Overlay
GTP Top Paste Mask
GTS Top Solder Mask
P01, P02, etc Gerber Panels
APR Aperture File (generated when embedded apertures
(RS274X) are used)
APT Aperture File (generated when embedded apertures
(RS274X) are not used)