CIRCUIT File Extension

CIRCUIT file icon
KTechlab Circuit Design Format
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    3 (2 votes)

What is CIRCUIT file?

CIRCUIT filename suffix is mostly used for KTechlab Circuit Design Format files. KTechlab Circuit Design Format specification was created by KTechlab. CIRCUIT files are supported by software applications available for devices running Linux. Files with CIRCUIT extension are categorized as CAD Files files. The CAD Files subset comprises 158 various file formats. KTechlab is by far the most used program for working with CIRCUIT files. On the official website of developer not only will you find detailed information about theKTechlab software, but also about CIRCUIT and other supported file formats.

Programs which support CIRCUIT file extension

Below is a table that list programs that support CIRCUIT files. Files with CIRCUIT suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

Programs that support CIRCUIT file

How to open file with CIRCUIT extension?

Being unable to open files with CIRCUIT extension can be have various origins. What is important, all common issues related to files with CIRCUIT extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Get the KTechlab

The main and most frequent cause precluding users form opening CIRCUIT files is that no program that can handle CIRCUIT files is installed on user’s system. The solution to this problem is very simple. Download KTechlab and install it on your device. The full list of programs grouped by operating systems can be found above. The safest method of downloading KTechlab installed is by going to developer’s website ( and downloading the software using provided links.

Step 2. Verify the you have the latest version of KTechlab

If you already have KTechlab installed on your systems and CIRCUIT files are still not opened properly, check if you have the latest version of the software. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. If you have an older version of KTechlab installed, it may not support CIRCUIT format. The most recent version of KTechlab is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Set the default application to open CIRCUIT files to KTechlab

If you have the latest version of KTechlab installed and the problem persists, select it as the default program to be used to manage CIRCUIT on your device. The method is quite simple and varies little across operating systems.

Selecting the first-choice application in Windows

  • Right-click the CIRCUIT file and choose Open with option
  • Select Choose another app → More apps
  • To finalize the process, select Look for another app on this PC entry and using the file explorer select the KTechlab installation folder. Confirm by checking Always use this app to open CIRCUIT files box and clicking OK button.

Selecting the first-choice application in Mac OS

  • From the drop-down menu, accessed by clicking the file with CIRCUIT extension, select 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 CIRCUIT extension. Next, click the Continue button to finalize the process.

Step 4. Check the CIRCUIT for errors

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

1. Check the CIRCUIT file for viruses or malware

If the CIRCUIT is indeed infected, it is possible that the malware is blocking it from opening. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the CIRCUIT file is indeed infected follow the instructions below.

2. Check whether the file is corrupted or damaged

If you obtained the problematic CIRCUIT file from a third party, ask them to supply you with another copy. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. It could happen the the download process of file with CIRCUIT extension was interrupted and the file data is defective. Download the file again from the same source.

3. Ensure that you have appropriate access rights

Sometimes in order to access files user need to have administrative privileges. Switch to an account that has required privileges and try opening the KTechlab Circuit Design Format file again.

4. Check whether your system can handle KTechlab

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

5. Verify that your operating system and drivers are up to date

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with KTechlab Circuit Design Format files. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle CIRCUIT files.

Do you want to help?

If you have additional information about the CIRCUIT 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 CIRCUIT file.

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