Misc Files

AutoCAD Civil 3D

by Autodesk, Inc. · opens 3 file types
Cross-platform
AT A GLANCE
DeveloperAutodesk, Inc.
PlatformsCross-platform
Opens3 file types
Get it fromwww.autodesk.com
Download AutoCAD Civil 3D

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3 file types verified
Last reviewed Sep 2026

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What is AutoCAD Civil 3D?

AutoCAD Civil 3D is listed in our database as a program that opens or converts the file formats shown on this page. It runs on Cross-platform. It is published by Autodesk, Inc.. The formats it works with include .ATC, .SDBX and .DUH.

You can get the official version from the developer's website (www.autodesk.com); we do not host the installer and only point you to the original source. A detailed, hand-checked description of AutoCAD Civil 3D is on the way; for now the information here comes straight from our database.

Files AutoCAD Civil 3D opens

3 formats
Misc Files
Settings Files

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Download AutoCAD Civil 3D

SOURCEwww.autodesk.comofficial site - avoid third-party download portals
PLATFORMSCross-platform

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programs & formats

Files AutoCAD Civil 3D opens most

1.ATCAutoCAD Tool Catalog File
2.SDBXAutoCAD Civil 3D survey database
3.DUHStorm and Sanitary Analysis DUH data

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