Opening The ATC File Extension. Programs That Support ATC Files.

File extension .ATC

Full Name	Developer	Category
AutoCAD Catalog Format	Autodesk	Settings Files

.ATC

The ATC file extension is associated with Autodesk's AutoCAD computer-aided design software. It is an acronym for AutoCAD Tool Catalog and contains a directory of selectable tools, including drawing and dimensioning commands, text formatting and alike. The ATC file is a simple ASCII text file that stores user-generated tool definitions. These tools are then available in the menu system of AutoCAD for often repetitive drafting tasks.

Associated Files

ATC files are typically bundled together with an .ctb color-dependent plot style table file which defines the layers in the AutoCAD drawing. Besides the ATC and CTB files, AutoCAD drawings often consists of other associated files such as drawing backup files ( .BAK) or drawing exchange formats ( .DXF) to better support interoperability with other CAD programs.

Similar File Types

Other similar file types created with Autodesk products include:

.DWG, used for Autodesk Mechanical Desktop and Architectural Desktop documents;
.DWT, associated with AutoCAD raster design;
.DWS, used for Autodesk Design Web format;
.SLB, AutoCAD slide library files; and,
SLBX, AutoCAD slide library collection files.

Programs for WINDOWS system

After installing the required software, the operating system will usually automatically associate an unknown file type (in this case .ATC) with the new application. If this does not happen, we can help the system a bit by selecting the software for it, which it should always use to open files with the .ATC extension.

When choosing the software we can select the system to use this software every time.

Remember!
Using it for the first time it is good to check whether the .ATC file opened in the application can be read by us and opens in a way that allows us to use it. If everything is in order, select this option the next time you open a file with the .ATC extension. However, if the file has not opened correctly, we have to look for a different software, with which we can open files with the .ATC extension. Select a different software from our list and install it on your computer. After the software is installed, repeat inspection openings of a .ATC file. Sometimes you have to repeat the operation several times.

Other instructions

If none of the programs listed by us to work with the .ATC file has not meet your expectations, you can try searching other websites. But remember to avoid downloading programs "that can open any file". These applications not only have very limited functionality, but may also expose you to expense tens of dollars when purchasing a license.

In the vast majority of cases you will find the program dedicated to support the .ATC file, or any other file format. In addition, there is a chance that it will be a free program, and its functionality (concerning the .ATC file) will be extended to the maximum.

It is also good to check

if the .ATC file has no errors
or if it has been copied (or downloaded by the browser) thoroughly

In such a case it is best to try to download the .ATC file again from the same source on the Internet (or look for another source). If you received the file from another person, ask this person to re-send it. However, if the file was copied from some media, repeat the copying operation.

Author’s guidelines

Mr B. Adam

Author of the guidelines / Founder of FileExtension.info
New technologies enthusiast, helping to solve problems with the files.

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