Full format name of files that use P7C extension is PKCS #7 Certificate Format. Files with P7C extension may be used by programs distributed for Mac OS, Windows platform. P7C file belongs to the Web Files category just like 303 other filename extensions listed in our database. Users are advised to use Microsoft Certificate Manager software for managing P7C files, although 6 other programs can also handle this type of file.
The following list contains programs grouped by 2 operating systems that support P7C files. P7C files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.
There can be multiple causes why you have problems with opening P7C files on given system. Fortunately, most common problems with P7C files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. We have prepared a listing of which will help you resolve your problems with P7C files.
Problems with opening and working with P7C files are most probably having to do with no proper software compatible with P7C files being present on your machine. The most obvious solution is to download and install Microsoft Certificate Manager or one to the listed programs: Adobe Acrobat, Microsoft Windows, Adobe Reader. Above you will find a complete listing of programs that support P7C 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.
If the problems with opening P7C files still occur even after installing Microsoft Certificate Manager, it is possible that you have an outdated version of the software.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. If you have an older version of Microsoft Certificate Manager installed, it may not support P7C format. The latest version of Microsoft Certificate Manager should support all file formats that where compatible with older versions of the software.
If the issue has not been solved in the previous step, you should associate P7C files with latest version of Microsoft Certificate Manager you have installed on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent
Change the default application in Windows
Change the default application in Mac OS
If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the P7C file in question. Being unable to access the file can be related to various issues.
If the file is infected, the malware that resides in the P7C file hinders attempts to open it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the P7C file is indeed infected follow the instructions below.
If the P7C file was sent to you by someone else, ask this person to resend the file to you. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with P7C extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.
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 P7C files, try closing all currently running applications and try again.
Latest versions of programs and drivers may help you solve problems with PKCS #7 Certificate 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 P7C files affecting older versions of given software.
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