P10 File Extension

What is P10 file?

P10 is a file extension commonly associated with Certificate Request Format files. Files with P10 extension may be used by programs distributed for Linux, Mac OS, Windows platform. P10 file format, along with 6033 other file formats, belongs to the Misc Files category. Users are advised to use Microsoft Outlook software for managing P10 files, although 4 other programs can also handle this type of file. Microsoft Outlook software was developed by Microsoft Corporation, and on its official website you may find more information about P10 files or the Microsoft Outlook software program.

Programs which support P10 file extension

The list that follows enumerates programs compatible with P10 files, divided into 3 categories based on operating system on which they are available. P10 files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

How to open file with P10 extension?

There can be multiple causes why you have problems with opening P10 files on given system. Fortunately, most common problems with P10 files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Install Microsoft Outlook software

Problems with opening and working with P10 files are most probably having to do with no proper software compatible with P10 files being present on your machine. This issue can be addressed by downloading and installing Microsoft Outlook or different compatible program, such as OpenSSL, Apple Keychain Access. The full list of programs grouped by operating systems can be found above. The safest method of downloading Microsoft Outlook installed is by going to developer’s website (Microsoft Corporation) and downloading the software using provided links.

Step 2. Update Microsoft Outlook to the latest version

If you already have Microsoft Outlook installed on your systems and P10 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 Microsoft Outlook installed, it may not support P10 format. The latest version of Microsoft Outlook should support all file formats that where compatible with older versions of the software.

Step 3. Set the default application to open P10 files to Microsoft Outlook

If you have the latest version of Microsoft Outlook installed and the problem persists, select it as the default program to be used to manage P10 on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Change the default application in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the P10 file
• Next, select the Choose another app option and then using More apps open the list of available applications
• The last step is to select Look for another app on this PC option supply the directory path to the folder where Microsoft Outlook is installed. Now all that is left is to confirm your choice by selecting Always use this app to open P10 files and clicking OK.

Change the default application in Mac OS

• By clicking right mouse button on the selected P10 file open the file menu and choose Information
• Find the Open with option – click the title if its hidden
• Select Microsoft Outlook and click Change for all...
• Finally, a This change will be applied to all files with P10 extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Verify that the P10 is not faulty

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 P10 file. Problems with opening the file may arise due to various reasons.

1. Verify that the P10 in question is not infected with a computer virus

If the P10 is indeed infected, it is possible that the malware is blocking it from opening. Scan the P10 file as well as your computer for malware or viruses. If the scanner detected that the P10 file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Ensure the file with P10 extension is complete and error-free

If you obtained the problematic P10 file from a third party, ask them to supply you with another copy. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. When downloading the file with P10 extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

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 Microsoft Outlook

If the systems has insufficient resources to open P10 files, try closing all currently running applications and try again.

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 Certificate Request Format 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 P10 files affecting older versions of given software.

Do you want to help?

If you have additional information about the P10 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 P10 file.