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.ATC File Extension

File TypeAutoCAD Tool Catalog File

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CategorySettings Files

What is an ATC file?

Tool catalog file used by the AutoCAD design and documentation CAD software; contains definitions for all of the tools in a user interface palette; used for storing tool configurations and customizing the AutoCAD workspace.

More Information

AutoCAD creates an ATC file whenever the user defines a new palette on the interface.

NOTE: You can export a palette stored in an ATC file using an .XTP file.

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Programs that open ATC files
Updated 9/8/2010

About ATC Files

Our goal is to help you understand what a file with a *.atc suffix is and how to open it.

The AutoCAD Tool Catalog file type, file format description, and Windows programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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