Create a pfx certificate file with PowerShell

Clear-Host
[string]$certDetailsString


$choosePassword = Read-Host "Please enter a password"
$myPwd = ConvertTo-SecureString -String $choosePassword -Force -AsPlainText

Get-ChildItem -Path Cert:\LocalMachine\My

$myCert = Read-Host "Please paste a thumbprint"
$certDetails = Get-ChildItem -Path Cert:\LocalMachine\My\$myCert

$certDetailsString = $certDetails.Subject
$subject = $certDetailsString.Split('=')

Clear-Host

$subjectOne = $subject[1]
$subjectOneDetails = $subjectOne.Split('.')

$subjectOneNetBIOS = $subjectOneDetails[0]
$subjectOneNetBIOS

$outputFile = ".\pfxFiles\"+$subjectOneNetBIOS+".pfx"
$outputFile
Export-PfxCertificate -Cert $certDetails -FilePath "$outputFile" -Password $mypwd