Opening a GDE File

The GDE file type is primarily associated with Genealogical Data Exchange (GDE), Geomagic Design.

GDEFile Extension GDE
File extension: GDE
File type:  Genealogy, 3D models

What is a GDE file?

GDE files mostly belong to Genealogical Data Exchange (GDE), Geomagic Design. The *.GDE file extension has two main uses. In the context of genealogy, it stands for Genealogy Data Environment and is used by the software Genealogical Data Exchange (GDE) to store genealogical data. In the 3D modeling and gaming world, *.GDE refers to Geometry Description Files used by the software Geomagic Design, and are related to the online cycling and running platform Zwift.

How to open a GDE file

You need a suitable software like Genealogical Data Exchange (GDE), Geomagic Design to open a GDE file. You need a suitable software like Genealogical Data Exchange (GDE), Geomagic Design to open a GDE file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your GDE file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a GDE file directly in the browser:. Just drag the file onto this browser window and drop it.

Online GDE Text Viewer

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.GDE File Not Opening? How to Fix It:

Because .GDE files can originate from entirely different programs, there is no universal app to open them.

  1. Identify the Source: If received from a family historian, it's likely a Genealogical Data Exchange file. If from an engineer, it's probably a Geomagic Design 3D model.
  2. Check the Header: Open the file in a text or hex editor to inspect the first few bytes:
    • Readable text or XML tags often indicate a genealogy data file.
    • Binary characters or specific magic bytes suggest a proprietary 3D CAD model.
  3. Use the Original Software: You usually need the original program to open it properly; try Geomagic Design, Alibre Design, a genealogy tool, or ask the sender.
  4. Use this Webpage: Drag and drop your file here to detect its format, extract text, and preview contents.

Technical Data for GDE File Extension

File classification:
Data files
Related files:

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: GenStat.GDE.6
EXEFile: %ProgramFiles%\Gen6Ed\bin\GenWind6.exe


a gde Genealogy, 3D model is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with GDE files

  • Associate the GDE file extension with the correct application.
  • Update your software that should actually open genealogy, 3d models. Because only the current version supports the latest GDE file format. Search, therefore, e.g. on the manufacturer website after an available Genealogical Data Exchange (GDE), Geomagic Design update.
  • To make sure that your GDE file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .GDE file online - secure, fast, and no downloads needed.
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