Office 365 powershell


I am looking to export a list of enabled users in Office365 to csv who haven't sent an email in over 90 days, I started working on a script but keep getting errors, any suggestion?

$UserStats = Get-mailbox -resultsize unlimited | Get-MailboxStatistics | where {$_.LastLogonTime -lt ((get-date).AddDays(-90))} | Get-MsolUser -EnabledFilter EnabledOnly | 
Select userprincipalname,Licenses,lastlogontime > c:\ps\export.txt

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Ben SmithAsked:
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Dope ADMSr. Systems EngineerCommented:
Correction: Please disregard the above, reviewing the select part....will update you shortly
Dope ADMSr. Systems EngineerCommented:
Try this and let me know if it works:

$CollectUsers = Get-mailbox -resultsize unlimited -RecipientTypeDetails UserMailbox,SharedMailbox |Get-MailboxStatistics |where {$_.LastLogonTime -lt ((get-date).AddDays(-90))} 
$UserStats = @()

foreach($user in $CollectUsers){
$obj = "" | select userprincipalname,Licenses,LastLogonTime
$x = Get-MsolUser -UserPrincipalName (Get-Mailbox $user.MailboxGuid.Guid).UserPrincipalName | ? {$_.isLicensed -and !($_.BlockCredential)}
$obj.LastLogonTime = $user.LastLogonTime
$obj.userprincipalname = $x.userprincipalname
$obj.Licenses = $x.Licenses
$UserStats += $obj
$UserStats | Out-File c:\ps\export.txt

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Jose Gabriel Ortega CastroEE Rookie/Solution Guide/Topic Advisor and CEO Faru Bonon ITCommented:
You are piping 2 differents Cmdlets from 2 different "sources".

O365 contains the "MsolService" conenction that is what you see in the portal of o365 administration.
But the Get-mailbox is only available in the "Exchange Online" Environment.

So that way will never work bud.
How should you go then?
1st Solve the Exchange Online to find out those who haven't logged in into the last 90 days,
$UserCredential = Get-Credential
$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri -Credential $UserCredential -Authentication Basic -AllowRedirection
Import-PSSession $Session
$Inactive90=Get-mailbox -resultsize unlimited |select * | Get-MailboxStatistics | where {$_.LastLogonTime -lt ((get-date).AddDays(-90))} | select DisplayName

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This way on the var "Inactive90"  (that only brings DisplayName as an important field.

The end result will be like:
$UserCredential = Get-Credential
$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri -Credential $UserCredential -Authentication Basic -AllowRedirection
Import-PSSession $Session

$Inactive90= Get-Mailbox -resultsize unlimited | Get-MailboxStatistics  | where {$_.LastLogonTime -lt ((get-date).AddDays(-90))} 
Connect-MsolService -credential $UserCredential 
foreach($user in $Inactive90){
	$search=Get-MsolUser -EnabledFilter EnabledOnly | where{ $_.DisplayName -eq $user.DisplayName} | select userprincipalname,Licenses,lastlogontime

$Result| ConvertTo-Csv -NoTypeInformation file.csv

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Qlemo"Batchelor", Developer and EE Topic AdvisorCommented:
{ $_.LastLogonTime -lt (get-date).AddDays(-90) } isn't the same as "haven't sent an email in over 90 days". The user might have read emails, and therefor needed to log in.
Vasil Michev (MVP)Commented:
You know there's a built-in report for that, right? O365 Admin portal -> Reports -> Usage -> Email activity or directly via

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PberSolutions ArchitectCommented:
No comment has been added to this question in more than 21 days, so it is now classified as abandoned.

I have recommended this question be closed as follows:

Accept: Vasil Michev (MVP) (https:#a42429608)

If you feel this question should be closed differently, post an objection and the moderators will review all objections and close it as they feel fit. If no one objects, this question will be closed automatically the way described above.

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