expiredcerts

# Import the required modules
Import-Module PSWorkflow
Import-Module PSWorkflowUtility

# Define the certificate store to use (LocalMachine or CurrentUser)
$store = 'LocalMachine'

# Create a workflow to list the expired certificates
Workflow List-ExpiredCertificates {
    # Get the current date
    $now = Get-Date

    # Get the list of certificates from the specified store
    $certificates = Get-ChildItem -Path "cert:\$store" | Where-Object { -not $_.PSIsContainer }

    # Print the expired certificates
    Write-Output "Expired certificates:"
    Write-Output $certificates | Where-Object { $_.NotAfter -lt $now } | Select-Object -Property Subject, Issuer, NotAfter
}

# Start the workflow
List-ExpiredCertificates

# Stop-Workflow -InstanceId (Get-WorkflowInstance | Where-Object { $_.Name -eq 'List-ExpiredCertificates' }).InstanceId