PRJ is a generic file extension for storing project files. Various application uses this format to save generated data.
PRJ files may contain various type of information, including configuration settings or resource references. Some software applications use such files to store detailed information related to various stages of project development.
PR project files are unique to the application with which they were created, and thus no software tool is able to open any given PRJ file for editing.
The list that follows enumerates programs compatible with PRJ files, divided into 2 categories based on operating system on which they are available. Files with PRJ 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: 12/12/2022
Problems with accessing PRJ may be due to various reasons. What is important, all common issues related to files with PRJ 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.
Problems with opening and working with PRJ files are most probably having to do with no proper software compatible with PRJ files being present on your machine. The most obvious solution is to download and install Microsoft Visual Studio or one to the listed programs: AutoCAD, ArcGIS Desktop, UltraEdit. Above you will find a complete listing of programs that support PRJ files, classified according to system platforms for which they are available. The safest method of downloading Microsoft Visual Studio installed is by going to developer’s website (Microsoft Corporation) and downloading the software using provided links.
If the problems with opening PRJ files still occur even after installing Microsoft Visual Studio, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Microsoft Visual Studio is available. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. This can be one of the causes why PRJ files are not compatible with Microsoft Visual Studio. The most recent version of Microsoft Visual Studio is backward compatible and can handle file formats supported by older versions of the software.
After installing Microsoft Visual Studio (the most recent version) make sure that it is set as the default application to open PRJ files. The method is quite simple and varies little across operating systems.
Selecting the first-choice application in Windows
Selecting the first-choice application in Mac OS
You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper PRJ file. Problems with opening the file may arise due to various reasons.
If the PRJ is indeed infected, it is possible that the malware is blocking it from opening. Scan the PRJ file as well as your computer for malware or viruses. If the scanner detected that the PRJ file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.
Did you receive the PRJ file in question from a different person? Ask him/her to send it one more time. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. If the PRJ file has been downloaded from the internet only partially, try to redownload it.
Sometimes in order to access files user need to have administrative privileges. Log out of your current account and log in to an account with sufficient access privileges. Then open the Project Format file.
The operating systems may note enough free resources to run the application that support PRJ files. Close all running programs and try opening the PRJ file.
Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with Project Format files. It may be the case that the PRJ files work properly with updated software that addresses some system bugs.
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