CmdID / PowerShell / Cmdlets / Export
Export-ExchangeCertificate
Use the Export-ExchangeCertificate cmdlet to export existing certificates and pending certificate requests (also known as certificate signing requests or CSRs) from Exchange servers. Exchange PowerShell reference
From the Exchange PowerShell reference 9 parameters Its page in the reference
Parameters
-ThumbprintThe Thumbprint parameter specifies the certificate or certificate request that you want to export.-IdentityThe Identity parameter specifies the certificate or certificate request that you want to export.-BinaryEncodedThe BinaryEncoded switch encodes the exported certificate or certificate request file by using Distinguished Encoding Rules (DER).-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.-FileNameThe FileName parameter specifies the name and path of the exported certificate or certificate request file.-PasswordThe Password parameter specifies the password for the private key or chain of trust in the exported certificate file.-ServerThe Server parameter specifies the Exchange server where you want to run this command.-WhatIf, -wiThe WhatIf switch shows what the command does without making any changes.