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Basic information about GBL file

When there is a problem with opening files with the file extension GBL（*.GBL or *.gbl）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the GBL file yourself.

There are 1 file types using the GBL file extension in our database. In the further part of this page, you will find detail information about all the GBL file with their brief description and a list of programs that support GBL file sorted by operating systems. The table below provides useful information about the GBL file extension. It answers questions such as:
  • What is the GBL file?
  • How to open a GBL file?
  • What programs do I need to open a GBL file?
  • What programs help to create and edit a GBL file?
  • How to convert GBL files to another file format?
  • How to convert another files to GBL file format?


1.Detail information about GBL file extension: Gerber Bottom Layer Data File

File type Gerber Bottom Layer Data File Category Data Files
Developer Ucamco File format Text
Description GBL file is a Gerber Bottom Layer Data File developed by Ucamco. Data output file created by Printed Circuit Board (PCB) CAD tools like Altium Designer and used by PCB manufacturing machines to designate electrical connections; contains data for multiple layer boards about the layout for bottom copper layers; similar to the .GTL file extension; written in RS-274X, which is the most common and contemporary Gerber format.
Software programs that will open, edit or convert GBL files

Windows		 Altium Designer
Autodesk EAGLE
Viewplot
Gerbv

macOS		 Autodesk EAGLE
Gerbv
gEDA

Linux		 Autodesk EAGLE
gEDA
Gerbv



Can't open a GBL file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.GBL”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the GBL extension without any issue.


Where I can download the application that support GBL file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of GBL files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a GBL file?

The reasons for the lack of the ability to open a GBL file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a GBL file. If there is still something wrong, you might want to check:

  • Whether the GBL file is damaged.
  • Whether the GBL file is incorrectly linked in the registry entries.
  • Whether the GBL file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the GBL file format is incompletely.
  • Whether the GBL file is infected.
  • Whether the drivers of the equipment used for opening a GBL file are up to date.
  • Whether your computer has enough hardware resources to open a GBL file.

If the GBL file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.