Question

How do I export a self-signed certificate from IIS 7 using PowerShell?

Answer 1

dir cert:\localmachine\my | Where-Object { $_.hasPrivateKey } |   Foreach-Object { [system.IO.file]::WriteAllBytes("c:\$($_.Subject).pfx",     ($_.Export('PFX', 'secret')) ) }

Source: Exporting Certificate With Private Key

This will export all of your certificates into C:\.

You can check what certificates you have by running:

dir cert:\localmachine\my