Fairly simply command worked for me: -
Get-Mailbox -resultsize unlimited | Select-Object -expandproperty emailaddresses | Where-Object { $_.smtpaddress -ilike "*domain*"} | Select-Object SmtpAddress | Export-CSV "c:emaisl.csv"
Because all things tech interest me
Fairly simply command worked for me: -
Get-Mailbox -resultsize unlimited | Select-Object -expandproperty emailaddresses | Where-Object { $_.smtpaddress -ilike "*domain*"} | Select-Object SmtpAddress | Export-CSV "c:emaisl.csv"