File Extension CER

.CER File

File extension: CER
File type: Internet Security Certificate File
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Notes about the CER file extension:



Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.

The CER file type is primarily associated with 'Internet Security Certificate File'. In cryptography, a public key certificate (or identity certificate) is a certificate which uses a digital signature to bind together a public key with an identity. The certificate can be used to verify that a public key belongs to an individual. Canonical encoding rules (CER) are a restricted variant of Basic Encoding Rules for producing unequivocal transfer syntax for data structures described by ASN.1.

Detailed information for file extension CER:


Primary association: Internet Security Certificate File
Mime type: application/x-x509-ca-cert, application/pkix-cert, application/keychain_access
Identifying characters Hex: 2D 2D 2D 2D 2D 42 45 47 49 4E 20 43 45 52 54 49 46 49 43 41 54 45 2D 2D 2D 2D 2D , ASCII: -----BEGIN CERTIFICATE-----

Other applications associated with file type CER:

File Identifier - TrID
'Identifying characters' used on FILExt.com are
provided by Marco Pontello from his TrID database




Important: Invalid file associations could be the result of underlying issues within your Windows PC. It is highly recommended that you scan your PC for invalid registry entries, unused processes and other slowdown issues.

Technical data

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

System Info for File Extension .CER

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: CERFile, FileType: Security Certificate, AppName: Crypto Shell Extensions
EXEFile: cryptext.dll

ProgramID: certificatefile, FileType: Internet Security Certificate, AppName: Internet Control Panel

ProgramID: CERFile
EXEFile: rundll32.exe %SystemRoot%\ServicePackFiles\i386\cryptext.dll,CryptExtOpenCER %1

ProgramID: PMWCertificateType
EXEFile: %ProgramFiles%\BRODER~1\AGCREA~1\agccard.exe %1

ProgramID: PMWCertificateType
EXEFile: %ProgramFiles%\BRODER~1\PROFES~1\pppbl.exe %1

ProgramID: PMWCertificateType
EXEFile: %ProgramFiles%\The Print Shop 20\tps.exe %1

ProgramID: CERFile
EXEFile: rundll32.exe cryptext.dll,CryptExtOpenCER %1

ProgramID: CERFile
EXEFile: %SystemRoot%\system32\rundll32.exe cryptext.dll,CryptExtOpenCER %1

ProgramID: PMWCertificateType
EXEFile: %ProgramFiles%\PrintMaster 16\pm.exe %1

ProgramID: PMWCertificateType
EXEFile: %ProgramFiles%\The Print Shop 21\tps.exe %1

ProgramID: PMWCertificateType
EXEFile: %ProgramFiles%\BRODER~1\PRINTM~1\pmw.exe %1

ProgramID: PMWCertificateType
EXEFile: %ProgramFiles%\Scrapbook Designer\scrapbook.exe %1

ProgramID: PMWCertificateType
EXEFile: %ProgramFiles%\PrintMaster Platinum 17\PMW.exe


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