Public/Discovery/Export-EmailsOnePerLine.ps1

function Export-EmailsOnePerLine {
    [CmdletBinding()]
    param (

        [Parameter()]
        [string]$ReportPath,

        [Parameter(Mandatory = $true)]
        [ValidateSet("ProxyAddresses", "EmailAddresses", "EmailAddress", "AddressOrMember", "x500", "UserPrincipalName", "PrimarySmtpAddress", "MembersName", "Member", "Members", "MemberOf", "Aliases", "Owners", "Managers")]
        [String]$FindInColumn,

        [Parameter(ValueFromPipeline = $true, Mandatory = $true)]
        $RowItem
    )
    process {

        foreach ($Row in $RowItem) {
            foreach ($Expand in $Row.$FindInColumn.split('|')) {
                [PSCustomObject]@{
                    DisplayName          = $Row.DisplayName
                    RecipientTypeDetails = $Row.RecipientTypeDetails
                    Protocol             = $Expand.split(':')[0]
                    Domain               = $Expand.split('@')[1]
                    PrefixedAddress      = $Expand
                    Address              = $Expand.split(':')[1]
                    Identity             = $Row.Identity
                    PrimarySmtpAddress   = $Row.PrimarySmtpAddress
                }
            }

        }

    }
}