123C File Extension

123C file icon
Autodesk 123C Drawing
  • Developer
    Autodesk
  • Category
  • Popularity
    3 (4 votes)

What is 123C file?

123C filename suffix is mostly used for Autodesk 123C Drawing files. Autodesk 123C Drawing format was developed by Autodesk. Files with 123C extension may be used by programs distributed for Windows platform. Files with 123C extension are categorized as CAD Files files. The CAD Files subset comprises 158 various file formats. The most popular software that supports 123C files is Autodesk. Software named Autodesk was created by Autodesk, Inc.. In order to find more detailed information on the software and 123C files, check the developer’s official website.

Programs which support 123C file extension

Programs that can handle 123C files are as follows. Files with 123C extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

Programs that support 123C file

Windows Windows

How to open file with 123C extension?

There can be multiple causes why you have problems with opening 123C files on given system. Fortunately, most common problems with 123C files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. We have prepared a listing of which will help you resolve your problems with 123C files.

Step 1. Download and install Autodesk

The most common reason for such problems is the lack of proper applications that supports 123C files installed on the system. To address this issue, go to the Autodesk developer website, download the tool, and install it. It is that easy The full list of programs grouped by operating systems can be found above. If you want to download Autodesk installer in the most secured manner, we suggest you visit Autodesk, Inc. website and download from their official repositories.

Step 2. Update Autodesk to the latest version

If the problems with opening 123C files still occur even after installing Autodesk, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Autodesk is available. Software developers may implement support for more modern file formats in updated versions of their products. This can be one of the causes why 123C files are not compatible with Autodesk. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Autodesk.

Step 3. Set the default application to open 123C files to Autodesk

If you have the latest version of Autodesk installed and the problem persists, select it as the default program to be used to manage 123C on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

The procedure to change the default program in Windows

  • Clicking the 123C with right mouse button will bring a menu from which you should select the Open with option
  • Next, select the Choose another app option and then using More apps open the list of available applications
  • Finally select Look for another app on this PC, point to the folder where Autodesk is installed, check the Always use this app to open 123C files box and conform your selection by clicking OK button

The procedure to change the default program in Mac OS

  • By clicking right mouse button on the selected 123C file open the file menu and choose Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • Select the appropriate software and save your settings by clicking Change all
  • If you followed the previous steps a message should appear: This change will be applied to all files with 123C extension. Next, click the Continue button to finalize the process.

Step 4. Verify that the 123C is not faulty

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the 123C file in question. It is probable that the file is corrupted and thus cannot be accessed.

1. Verify that the 123C in question is not infected with a computer virus

If the 123C is indeed infected, it is possible that the malware is blocking it from opening. Scan the 123C file as well as your computer for malware or viruses. If the 123C file is indeed infected follow the instructions below.

2. Ensure the file with 123C extension is complete and error-free

If you obtained the problematic 123C file from a third party, ask them to supply you with another copy. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. If the 123C file has been downloaded from the internet only partially, try to redownload it.

3. Check if the user that you are logged as has administrative privileges.

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log out of your current account and log in to an account with sufficient access privileges. Then open the Autodesk 123C Drawing file.

4. Make sure that the system has sufficient resources to run Autodesk

If the system is under havy load, it may not be able to handle the program that you use to open files with 123C extension. In this case close the other applications.

5. Check if you have the latest updates to the operating system and drivers

Latest versions of programs and drivers may help you solve problems with Autodesk 123C Drawing files and ensure security of your device and operating system. It is possible that one of the available system or driver updates may solve the problems with 123C files affecting older versions of given software.

Do you want to help?

If you have additional information about the 123C file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on 123C file.

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