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PU File Extension

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What is PU file?

Full format name of files that use PU extension is PlantUML. PlantUML specification was created by SourceForge.net. PU file format is compatible with software that can be installed on Windows system platform. PU file format, along with 6033 other file formats, belongs to the Misc Files category. The software recommended for managing PU files is PlantUML. On the official website of SourceForge.net developer not only will you find detailed information about thePlantUML software, but also about PU and other supported file formats.

Programs which support PU file extension

Programs that can handle PU files are as follows. PU files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support PU file

Windows Windows

How to open file with PU extension?

Problems with accessing PU may be due to various reasons. What is important, all common issues related to files with PU extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The list below will guide you through the process of addressing the encountered problem.

Step 1. Install PlantUML software

Install software to open PU file The most common reason for such problems is the lack of proper applications that supports PU files installed on the system. The solution to this problem is very simple. Download PlantUML and install it on your device. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. If you want to download PlantUML installer in the most secured manner, we suggest you visit SourceForge.net website and download from their official repositories.

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

Update software that support file extension PUIf you already have PlantUML installed on your systems and PU files are still not opened properly, check if you have the latest version of the software. Software developers may implement support for more modern file formats in updated versions of their products. This can be one of the causes why PU files are not compatible with PlantUML. The most recent version of PlantUML is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Associate PlantUML files with PlantUML

After installing PlantUML (the most recent version) make sure that it is set as the default application to open PU files. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Associate software with PU file on Windows

The procedure to change the default program in Windows

  • Choose the Open with entry from the file menu accessed by right-mouse clicking on the PU file
  • Next, select the Choose another app option and then using More apps open the list of available applications
  • To finalize the process, select Look for another app on this PC entry and using the file explorer select the PlantUML installation folder. Confirm by checking Always use this app to open PU files box and clicking OK button.
Associate software with PU file on Mac

The procedure to change the default program in Mac OS

  • Right-click the PU file and select Information
  • Find the Open with option – click the title if its hidden
  • Select the appropriate software and save your settings by clicking Change all
  • A message window should appear informing that This change will be applied to all files with PU extension. By clicking Continue you confirm your selection.

Step 4. Check the PU for errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the PU file in question. Problems with opening the file may arise due to various reasons.

Check PU file for viruses
1. Verify that the PU in question is not infected with a computer virus

Should it happed that the PU is infected with a virus, this may be that cause that prevents you from accessing it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the scanner detected that the PU file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

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

If you obtained the problematic PU file from a third party, ask them to supply you with another copy. 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 PU extension was interrupted and the file data is defective. Download the file again from the same source.

3. Verify whether your account has administrative rights

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log in using an administrative account and see If this solves the problem.

4. Verify that your device fulfills the requirements to be able to open PlantUML

If the systems has insufficient resources to open PU files, try closing all currently running applications and try again.

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

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with PlantUML file. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle PU files.

Do you want to help?

If you have additional information about the PU 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 PU file.

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