Exporting PSObject containing Distribution Group membership details to .csv file

Exchange 2013 | Windows Server 2012 R2 Standard

Hello Experts,

I have written a script to show all Exchange 2013 Distribution Group's name and membership:

$dgs = Get-DistributionGroup
$results = @()

foreach ($dg in $dgs) {
    $members = Get-DistributionGroupMember $dg.primarysmtpaddress
    $object = New-Object -TypeName PSObject
    $object | Add-Member -MemberType NoteProperty -Name 'DG Name' -Value $dg.DisplayName
    $object | Add-Member -MemberType NoteProperty -Name 'Member Name' -Value $members.DisplayName
    $results += $object
}

It works ok when written to the host except if the membership of the DG is more than about 5 mailboxes the names end with three dots.  Example:

Member Name
{User A, User B, User C, User D...}

The entire membership list isn't shown so I tried exporting the results to a .csv file:

$results | Select-Object 'DG Name','Member Name' | Export-Csv DG.csv -NoTypeInformation

That resulted in a .csv file with 'System.Object[]' listed under the 'Member Name' column for each DG member.  What am I doing wrong here?  Thanks in advance!
LVL 17
Jason CrawfordTransport NinjaAsked:
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footechCommented:
The data doesn't lend itself well to a .CSV format (because of the varying number of members possible in a group).  You could just output to a list format (pipe to Format-List).

If you really, really want a .CSV, then you need to join all the objects of the array (which is what your "Member Name" property is) into a single string.  You can delimit that string with a useful character like ";" or a newline.
$object | Add-Member -MemberType NoteProperty -Name 'Member Name' -Value "$($members.DisplayName -join ';')"

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