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 5928 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 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.
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.
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.
If 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.
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.
The procedure to change the default program in Windows
The procedure to change the default program in Mac OS
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.
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.
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.
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.
If the systems has insufficient resources to open PU files, try closing all currently running applications and try again.
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.
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.