PNP File Extension

What is PNP file?

Full format name of files that use PNP extension is Pegasus Mail POP3 Server Side Filter Rule. Pegasus Mail POP3 Server Side Filter Rule specification was created by David Harris. PNP file format is compatible with software that can be installed on Windows system platform. Files with PNP extension are categorized as Settings Files files. The Settings Files subset comprises 1305 various file formats. The most popular software that supports PNP files is Pegasus Mail. Pegasus Mail software was developed by David Harris, and on its official website you may find more information about PNP files or the Pegasus Mail software program.

Programs which support PNP file extension

The following listing features PNP-compatible programs. Files with PNP extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

How to open file with PNP extension?

Problems with accessing PNP may be due to various reasons. What is important, all common issues related to files with PNP 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.

Step 1. Get the Pegasus Mail

Problems with opening and working with PNP files are most probably having to do with no proper software compatible with PNP files being present on your machine. The solution to this problem is very simple. Download Pegasus Mail and install it on your device. The full list of programs grouped by operating systems can be found above. The safest method of downloading Pegasus Mail installed is by going to developer’s website (David Harris) and downloading the software using provided links.

Step 2. Check the version of Pegasus Mail and update if needed

You still cannot access PNP files although Pegasus Mail is installed on your system? Make sure that the software is up to date. 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 PNP files are not compatible with Pegasus Mail. The latest version of Pegasus Mail should support all file formats that where compatible with older versions of the software.

Step 3. Assign Pegasus Mail to PNP files

If the issue has not been solved in the previous step, you should associate PNP files with latest version of Pegasus Mail you have installed on your device. The method is quite simple and varies little across operating systems.

Selecting the first-choice application in Windows

• Clicking the PNP with right mouse button will bring a menu from which you should select the 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 Pegasus Mail is installed, check the Always use this app to open PNP files box and conform your selection by clicking OK button

Selecting the first-choice application in Mac OS

• Right-click the PNP file and select Information
• Find the Open with option – click the title if its hidden
• Select Pegasus Mail and click Change for all...
• If you followed the previous steps a message should appear: This change will be applied to all files with PNP extension. Next, click the Continue button to finalize the process.

Step 4. Check the PNP for errors

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 PNP file. Problems with opening the file may arise due to various reasons.

1. Check the PNP file for viruses or malware

If the file is infected, the malware that resides in the PNP file hinders attempts to open it. Scan the PNP file as well as your computer for malware or viruses. If the PNP file is indeed infected follow the instructions below.

2. Check whether the file is corrupted or damaged

Did you receive the PNP 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 PNP extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Ensure that you have appropriate access rights

Some files require elevated access rights to open them. Log out of your current account and log in to an account with sufficient access privileges. Then open the Pegasus Mail POP3 Server Side Filter Rule file.

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

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

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

Latest versions of programs and drivers may help you solve problems with Pegasus Mail POP3 Server Side Filter Rule files and ensure security of your device and operating system. It is possible that one of the available system or driver updates may solve the problems with PNP files affecting older versions of given software.

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