File Extension Database

Open PKCS7 File

PKCS7 is a type of digital security certificate used by various applications to authenticate a web identity, and it is associated with P7C files. In this case, the P7C files contain a public key used to verify an entity through the use of public key cryptography.

Basically, a digital certificate is part of a Public Key Infrastructure (PKI), as part of a system of digital certificates, certificate authorities and other registration authorities to authenticate the validity of the parties involved in an electronic transaction and where it is done. the use of public key cryptography is necessary.

The PKCS7 is a standard on the syntax of the cryptographic message framed within RFC2315.

Users are recommended to use Microsoft Certificate Manager software to manage P7C (PKCS7) files.

Microsoft Certificate Manager

Open PKCS7 File on Windows

Find a PKCS7 file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a PKCS7 file is not opened in an application and you instead get a "Windows can't open a file" error message you should try looking for an application which can open the file in question.
If you know the application which can open PKCS7 file then run it and see if there is a File->Open main menu option in the application.
If you don't know the application which function as PKCS7 file opener then try to search online for "PKCS7 viewer", "application to open PKCS7 file" or "open PKCS7 file" queries in the search engine you like.
Install the application you found and check if it can open PKCS7 file

Open PKCS7 File on Mac OS

Find a PKCS7 file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a PKCS7 file is not opened in a Mac OS application and you instead get a "There is no application set to open the file" error message you can click on "Search App Store" in the error dialog and Mac OS will show you applications compatible with PKCS7 file.
If you know the Mac OS application which can work as PKCS7 file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open PKCS7 file in it.
If you don't know the application which can open PKCS7 file then try to search for "PKCS7 viewer", "application to open PKCS7 file" or "open PKCS7 file" queries in the online search engine you like.
Install the application you found and check if it can open PKCS7 file

Open PKCS7 File on Android

If you downloaded a PKCS7 file on Android device you can open it by following steps below:

In the Android apps list on your Android device find "My Files" or "File manager" app and tap to start it.
Tap on "Downloads" folder inside the app.
You should see your downloaded PKCS7 file in that folder.
Tap on the file. If Android device supports opening the file you downloaded it will open in the corresponding app.
If file does not open you can look for the corresponding app that can open the file by searching Android App Store for the "PKCS7".
If you cannot open the file with the apps from Android App Store it is possible that the file could only be opened on desktop platforms such as Windows or Mac OS. Try searching for "PKCS7 viewer", "PKCS7 file" online and see if any desktop applications can open it.
It is also possible that the file you downloaded is outdated and is no longer supported.

Open PKCS7 File on iPhone or iPad

To open PKCS7 File on iOS device follow steps below:

Open Files app on your iPhone or iPad device. You can find it by swiping down on the home screen and typing "Files" in the search bar.
Tap on the Downloads folder on the Files app home screen.
You will see all files that you recently downloaded. Tap on the PKCS7 file to view it.
If you have the right app that can open it it will automatically launch and open your file.
If you don't have the app which can open it you need to serch Apple app store for "PKCS7". This way you can find apps which can open PKCS7 files.
If this doesn't help it is possible that your file could be opened only by the desktop application. To find an app which can open it on desktop look for "PKCS7 viewer" or "PKCS7 file" online in your favorite search engine.