File Extension Library

.GBO File Extension

  • Developer by: Ucamco
  • Category: Data Files
  • Format: Text

What is an .GBO file?

.GBO file extension is created by Ucamco. .GBO has been classified as Data Files. The format of .GBO file is Text.

.GBO is Gerber Bottom Overlay Data File

Data output file created by Printed Circuit Board (PCB) CAD tools such as Autodesk EAGLE and used by PCB manufacturing machines to designate layouts of electrical connections; contains layout data for bottom silk screen layers; written in RS-274X, which is the most common and contemporary Gerber format.

The GBO file acts similar to a .PDF file. It is an exported version of the PCB layout and is meant to be viewed and referenced but not edited.

NOTE: The Gerber format was originally developed by Gerber Systems but is now maintained by Ucamco.

Common GBO Filenames

[projectname].gbo - The GBO file is named after the name of your PCB project.

List of all softwares that can open the Gerber Bottom Overlay Data File
Altium Designer
Autodesk EAGLE
Autodesk EAGLE
Autodesk EAGLE

How to Open .GBO file on different platforms

Open .GBO File on Windows

  • Right-click a .GBO
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .GBO file and Select check box "Always use this app to open .GBO files" Press "Ok"

Open .GBO File on Mac

  • Right-click (or Ctrl + Left-click) the .GBO file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .GBO File on Linux

Right click on the .GBO file, choose "Open with" and select a program from the list above

Open .GBO File on iPhone

Select a file. If you don't see an application to open the .GBO file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .GBO File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .GBO files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .GBO files

  1. You need to update the application that you normally use to open .GBO files. Only the latest version of the software supports the current .GBO file format
  2. You need to check the .GBO file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)