P7B File Extension

P7B file icon
PKCS #7 Certificate Format

What is P7B file?

P7B filename suffix is mostly used for PKCS #7 Certificate Format files. Files with P7B extension may be used by programs distributed for Linux, Mac OS, Windows platform. Files with P7B extension are categorized as Web Files files. The Web Files subset comprises 303 various file formats. Microsoft Certificate Manager supports P7B files and is the most frequently used program to handle such files, yet 5 other tools may also be used.

Programs which support P7B file extension

The following list contains programs grouped by 3 operating systems that support P7B files. Files with P7B suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

Programs that support P7B file

How to open file with P7B extension?

There can be multiple causes why you have problems with opening P7B files on given system. Fortunately, most common problems with P7B files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The list below will guide you through the process of addressing the encountered problem.

Step 1. Install Microsoft Certificate Manager software

Problems with opening and working with P7B files are most probably having to do with no proper software compatible with P7B files being present on your machine. This issue can be addressed by downloading and installing Microsoft Certificate Manager or different compatible program, such as Microsoft Windows, Adobe Reader. Above you will find a complete listing of programs that support P7B files, classified according to system platforms for which they are available. One of the most risk-free method of downloading software is using links provided by official distributors. Visit Microsoft Certificate Manager website and download the installer.

Step 2. Check the version of Microsoft Certificate Manager and update if needed

If the problems with opening P7B files still occur even after installing Microsoft Certificate Manager, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Microsoft Certificate Manager is available. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. The reason that Microsoft Certificate Manager cannot handle files with P7B may be that the software is outdated. The latest version of Microsoft Certificate Manager should support all file formats that where compatible with older versions of the software.

Step 3. Associate PKCS #7 Certificate Format files with Microsoft Certificate Manager

If the issue has not been solved in the previous step, you should associate P7B files with latest version of Microsoft Certificate Manager 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 P7B 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
  • The last step is to select Look for another app on this PC option supply the directory path to the folder where Microsoft Certificate Manager is installed. Now all that is left is to confirm your choice by selecting Always use this app to open P7B files and clicking OK.

Selecting the first-choice application in Mac OS

  • Right-click the P7B 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
  • Finally, a This change will be applied to all files with P7B extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Verify that the P7B is not faulty

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the P7B file in question. Being unable to access the file can be related to various issues.

1. Verify that the P7B in question is not infected with a computer virus

If the P7B is indeed infected, it is possible that the malware is blocking it from opening. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. P7B file is infected with malware? Follow the steps suggested by your antivirus software.

2. Check whether the file is corrupted or damaged

Did you receive the P7B file in question from a different person? Ask him/her to send it one more time. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. If the P7B file has been downloaded from the internet only partially, try to redownload it.

3. Ensure that you have appropriate access rights

Sometimes in order to access files user need to have administrative 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 Certificate Manager

The operating systems may note enough free resources to run the application that support P7B files. Close all running programs and try opening the P7B file.

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 PKCS #7 Certificate Format file. It may be the case that the P7B files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the P7B 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 P7B file.

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