PZ File Extension

What is PZ file?

Files ending with the extension .PZ contain a compressed image saved in the PNG format. Portable Network Graphics are raster graphics that allow for lossless image recording. The .PZ extension is not commonly used, as PNG files support various forms of compression based on filters and the deflate algorithm. PZ files are supported by XN View, XN Convert software from XNSoft.

Compression in PZ Files

Raster images in PNG files are normally subjected to specific compression. It uses defined filters applied to each line in the image. The data thus obtained are additionally packed using deflate algorithms. A single image file can be encoded in various ways. In files with the extension .PZ, there are PNG graphics that are additionally compressed externally. This allows for smaller sizes, still without loss of information and graphics quality.

Programs which support PZ file extension

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

Updated: 03/11/2024

How to open file with PZ extension?

There can be multiple causes why you have problems with opening PZ files on given system. What is important, all common issues related to files with PZ 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. Get the XnView MP

Problems with opening and working with PZ files are most probably having to do with no proper software compatible with PZ files being present on your machine. The most obvious solution is to download and install XnView MP or one to the listed programs: Panda3D, Panzoid. The full list of programs grouped by operating systems can be found above. One of the most risk-free method of downloading software is using links provided by official distributors. Visit XnView MP website and download the installer.

Step 2. Verify the you have the latest version of XnView MP

If you already have XnView MP installed on your systems and PZ 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 XnView MP installed, it may not support PZ format. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using XnView MP.

Step 3. Set the default application to open PZ files to XnView MP

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

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 PZ file
• Click Choose another app and then select More apps option
• To finalize the process, select Look for another app on this PC entry and using the file explorer select the XnView MP installation folder. Confirm by checking Always use this app to open PZ files box and clicking OK button.

The procedure to change the default program in Mac OS

• Right-click the PZ file and 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....
• Finally, a This change will be applied to all files with PZ extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Ensure that the PZ file is complete and free of errors

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

1. The PZ may be infected with malware – make sure to scan it with an antivirus tool.

Should it happed that the PZ 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. PZ file is infected with malware? Follow the steps suggested by your antivirus software.

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

Did you receive the PZ file in question from a different person? Ask him/her to send it one more time. 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. When downloading the file with PZ extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

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

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

4. Check whether your system can handle XnView MP

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

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

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Compressed PNG Image Format file. It may be the case that the PZ files work properly with updated software that addresses some system bugs.

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