OPJ File Extension

What is OPJ file?

OPJ files are used by various CAD software tools.

What kind of data can OPJ files contain?

Files with OPJ extensions are typically associated with OrCAD software. OrCAD is a software program for designing electric circuits and printed circuit boards (PCB). OPJ files store such information as project settings, external resource references, or PCB parameters.

Can I edit OPJ files?

OPJ files store information in plain text and can be safely edited using any text editor. It is recommended however that a dedicated OrCAD editor be used for editing OPJ files as it offers many quality-of-line features such as error correction.

What is OrCAD used for?

OrCAD tools can be used for designing PCBs or electronic circuits, as well as simulating and analyzing design performance. OrCAD saves projects as OPJ files be default.

Programs which support OPJ file extension

The following listing features OPJ-compatible programs. Files with OPJ suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

Updated: 10/07/2022

How to open file with OPJ extension?

Problems with accessing OPJ may be due to various reasons. Fortunately, most common problems with OPJ files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Install OrCAD PCB Designer software

Problems with opening and working with OPJ files are most probably having to do with no proper software compatible with OPJ files being present on your machine. To address this issue, go to the OrCAD PCB Designer 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. The safest method of downloading OrCAD PCB Designer installed is by going to developer’s website (Cadence Design Systems, Inc.) and downloading the software using provided links.

Step 2. Check the version of OrCAD PCB Designer and update if needed

If the problems with opening OPJ files still occur even after installing OrCAD PCB Designer, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of OrCAD PCB Designer is available. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. This can be one of the causes why OPJ files are not compatible with OrCAD PCB Designer. The most recent version of OrCAD PCB Designer is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Assign OrCAD PCB Designer to OPJ files

After installing OrCAD PCB Designer (the most recent version) make sure that it is set as the default application to open OPJ files. The method is quite simple and varies little across operating systems.

Selecting the first-choice application in Windows

• Right-click the OPJ file and choose 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 OrCAD PCB Designer is installed, check the Always use this app to open OPJ files box and conform your selection by clicking OK button

Selecting the first-choice application in Mac OS

• From the drop-down menu, accessed by clicking the file with OPJ extension, select Information
• Open the Open with section by clicking its name
• From the list choose the appropriate program and confirm by clicking Change for all....
• If you followed the previous steps a message should appear: This change will be applied to all files with OPJ extension. Next, click the Continue button to finalize the process.

Step 4. Check the OPJ for errors

Should the problem still occur after following steps 1-3, check if the OPJ file is valid. Problems with opening the file may arise due to various reasons.

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

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

2. Verify that the OPJ file’s structure is intact

If the OPJ file was sent to you by someone else, ask this person to resend the file to you. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. It could happen the the download process of file with OPJ extension was interrupted and the file data is defective. Download the file again from the same source.

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

Some files require elevated access rights to open them. Log in using an administrative account and see If this solves the problem.

4. Make sure that the system has sufficient resources to run OrCAD PCB Designer

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

5. Ensure that you have the latest drivers and system updates and patches installed

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with OrCAD Project Format files. It may be the case that the OPJ files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the OPJ 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 OPJ file.