File Extension P7R

.P7R File

File extension: P7R


Notes about the P7R file extension:



To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The P7R file type is primarily associated with 'PKCS #7 Certificate'. Response to a security certificate request.

Detailed information for file extension P7R:


Primary association: PKCS #7 Certificate
Mime type: application/x-pkcs7-certreqresp



To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

Technical data

To view technical data on file-extension P7R click this link to expand/hide the additional area.

System Info for File Extension .P7R

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: P7RFile, FileType: Certificate Request Response, AppName: Crypto Shell Extensions
EXEFile: cryptext.dll

ProgramID: SPCFile, FileType: PKCS #7 Certificates, AppName: Crypto Shell Extensions
EXEFile: cryptext.dll

ProgramID: P7RFile
EXEFile: rundll32.exe cryptext.dll,CryptExtOpenP7R %1

ProgramID: SPCFile
EXEFile: %SystemRoot%\system32\rundll32.exe cryptext.dll,CryptExtOpenPKCS7 %1

ProgramID: SPCFile
EXEFile: rundll32.exe cryptext.dll,CryptExtOpenPKCS7 %1

ProgramID: SPCFile
EXEFile: rundll32.exe %SystemRoot%\ServicePackFiles\i386\cryptext.dll,CryptExtOpenPKCS7 %1

ProgramID: P7RFile
EXEFile: %SystemRoot%\system32\rundll32.exe cryptext.dll,CryptExtOpenP7R

ProgramID: SPCFile
EXEFile: %ProgramFiles%\Emersys\Maven XP Trial\bin\MavenXP.exe


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