ATC file format description

Many people often share .atc files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .atc files. To address this issue, we have created this page to offer assistance and guidance on handling .atc files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .atc files.

Our aim is to simplify the process and promote seamless use of the .atc file format.

5 filename extension(s) found in our database.

.atc - Autodesk AutoCAD Tool Catalog

The ATC data files are related to Autodesk AutoCAD. The ATC file is an Autodesk AutoCAD Tool Catalog. Autodesk AutoCAD is a software application for computer-aided design (CAD) and drafting.

Application:Autodesk AutoCAD
Category:Data files
Magic:- / -

Autodesk AutoCAD Tool Catalog related extensions:

  • mrm CloseToSoftware MacroRunner Macro
  • moxel Adobe Mocha for After Effects Moxel Data
  • g2g Star Formation KITP 2007 Data
  • wsx WinMX Server Information File
  • sbi SpyBot Search and Destroy Database
  • tmr Free Countdown Timer Backup File

.atc - AceText Collection File

The ATC data files are related to AceText. The ATC file is an AceText Collection File. AceText is a smart software tool that simplifies working with text by enabling you to store, manage, edit and reuse text from a central location.

Category:Data files
Magic:- / -

AceText Collection File related extensions:

  • tab Lotus Notes Full Text Index Data
  • cpg 3Dize Cool Page Tutorials Data
  • hvd HoverDesk Theme
  • cus Payroll Mate Customer Data
  • orb XMVB Optimized VB Orbitals
  • osg OSGJS JSON Input File

.atc - AttacheCase Encrypted File

The ATC data files are related to AttacheCase. The ATC file is an AttacheCase Encrypted File. AttacheCase is a Japanese file encryption/decryption software.

Category:Data files
Magic:- / -

AttacheCase Encrypted File related extensions:

  • sgxml Case CATalyst History Data
  • menu Steam Client GUI Menu Data
  • fdrp Mac OS X Folder Alias Data
  • amz Amazon MP3 Downloader Data
  • atr PhysioBank Annotation File
  • spc Thermo Scientific SPC File

.atc - SimCity 4 Animation Texture Collection

The ATC game data files are related to SimCity 4. The ATC file is a SimCity 4 Animation Texture Collection. SimCity 4 (SC4) is a city-building, urban planning simulation computer game.

Application:SimCity 4
Category:Game Data files
Magic:- / -

SimCity 4 Animation Texture Collection related extensions:

  • isr GoMoku Game Data
  • hof OMSI HOF Data
  • egl Sabre Ace: Conflict Over Korea Data
  • ms2mml MapleStory 2 Music
  • slv GP 500 Game Data
  • pff Delta Force Game Archive

.atc - ACUCOBOL-GT Thin Client Command File

The ATC development files are related to ACUCOBOL-GT. The ATC file is an ACUCOBOL-GT Thin Client Command File. ACUCOBOL-GT is a COBOL development system for extending and modernizing business-critical applications.

Category:Development files
Magic:- / -

ACUCOBOL-GT Thin Client Command File related extensions:

  • acu ACUCOBOL-GT Compiled Program
  • vix ACUCOBOL-GT Index
  • vlc ACUCOBOL-GT License

Be careful.

It is important to understand that the .atc file extension is not limited to a particular set of applications. Other programs besides the intended ones can also use the .atc extension to create files. This includes potentially harmful programs or malware that may generate .atc files for various purposes. Be especially cautious with .atc files coming from untrusted or unknown sources.

Can't open a .atc 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 an extension, you receive the following message:

Select an app to open this .atc file

To set the .atc file association in Windows 11, you can follow these steps

  1. Open the Settings app by clicking on the Start menu and selecting the gear icon.
  2. In the Settings app, click on System and then select Apps from the left-hand side menu.
  3. Scroll down and click on the Default apps option.
  4. Under the Default apps section, you will find various categories such as Email, Web browser, and Music player.
  5. Locate the category that matches the file type you want to associate, such as Photos for image files or Video player for video files.
  6. Click on the current default app listed under the category. A list of available apps will appear.
  7. Choose the app you want to set as the default for that file type. If the desired app is not listed, click on More apps to see additional options or click on Look for an app in the Microsoft Store to search for apps in the Store.
  8. After selecting the app, it will become the default choice for opening files of that type.

It's worth mentioning that you don't always need to set .atc file association. Many applications can open .atc files without requiring any specific file association to be set.

The .atc file extension is often given incorrectly

Based on searches conducted on our site in the past year, we have compiled a list of the most common misspellings. These frequent misspellings can cause confusion and hinder search accuracy. Our goal in providing this list is to help users find the right information more easily and enhance their overall search experience on our website.

These misspellings were the most common in the past year:

ac, act, afc, agc, ahc, arc, at, atd, atf, ats, atv, atx, qtc, tac, tc

Is it possible that the filename extension is misspelled?

There is a possibility that the .atc filename extension is misspelled. To assist users in identifying potential errors, we provide a list of similar file extensions in our database.

Filename extensions similar to .atc:

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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If you find the information on this .atc page useful, please feel free to link to this page. >> ATC file