3DG file extension
The table below provides useful information about the .3dg file extension. It answers questions such as:
- What is the .3dg file?
- What program do I need to open a .3dg file?
- How can the .3dg file be opened, edited or printed?
- How can I convert .3dg files to another format?
Table of Contents
- ✅ 3D Grapher Document
- 🔄 .3dg file converters
- 🚫 .3dg file related errors
We hope you find this page helpful and a valuable resource!
1 extension(s) and 0 alias(es) found in database
✅ 3D Grapher Document

3DG file is a 3D Grapher Document. Romanlab 3D Grapher is an easy-to-use graphing software for creating animated 2D and 3D graphs of equations and tables.
Other types of files may also use the .3dg file extension.
🚫 The .3dg file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .3dg 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:
example.3dg
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 .3dg 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 .3dg file extension, write to us!