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GDL file extension

The table below provides useful information about the .gdl file extension. It answers questions such as:

  • What is the .gdl file?
  • What program do I need to open a .gdl file?
  • How can the .gdl file be opened, edited or printed?
  • How can I convert .gdl files to another format?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ ArchiCAD Geometric Description Language File

GDL file is an ArchiCAD Geometric Description Language File. ArchiCAD is an architectural CAD-software developed by the Hungarian company Graphisoft. In computer-aided design, Geometric Description Language (GDL) is the programming language of ArchiCAD library parts.
Category: Document files
Application: ArchiCAD
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
GDL aliases:
GDL related links:
GDL related extensions:
ArchiCAD 3D Model

ArchiCAD PlotMaker Layout

ArchiCAD PlotMaker Document

ArchiCAD Slab Properties

ArchiCAD Roof Properties

ArchiCAD Library Container File

ArchiCAD PlotMaker Layout Book

ArchiCAD Project Backup

Other types of files may also use the .gdl file extension.

🚫 The .gdl file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

bdl, dgl, dl, fdl, gcl, gd, gd1, gdi, gdm, gdo, gdp, gel, gfl, gl, gld

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

HotDocs Template Library
SGI PowerFlip YAODL 3D Image
GUI Design Studio Project
Scrolling Game Development Kit Project
Report Definition Language File
PTC Creo Bundle File
Groundspeak Wherigo Cartridge Log
Animal Quest Game Data
Godot Engine Source Code
CyberLink PowerDVD Data

🔴 Can't open a .gdl file?

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

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .gdl file association, check the FAQ.

🔴 Can I change the extension of 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 the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .gdl file extension, write to us!

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