.123C File Extension

Are you having difficulty opening a file that ends with .123C? Such files can be executed only by certain programs. If you cannot open the .123C file, it can be due to the following reasons: either you do not have an appropriate program to open it, or your file association is corrupted. For more information about this extension, please read the article below.

What is a .123C file?

.123C file belongs to the category of CAD Files used in operating systems such as Windows 11, 10, Windows 7, Windows 8 / 8.1, Windows Vista, Windows XP.

123c

Developer: Autodesk

File Type: Autodesk 123C Drawing

Category: CAD Files

Format: Binary

.123C file is associated with Autodesk 123C Drawing developed by Autodesk, has a Binary Format and belongs to CAD Files category.

Other file extensions

.pex

West Publisher Portable Exhibit File

.rnc

RELAX NG Compact Syntax File

.unl

Garmin Unlock File

.cdf

Channel Definition Format

.cmod

Celestia Model