Getting all user profiles within SharePoint tenant using SharePoint Online CSOM API

• retrieve all the users in tenant (Get-MsolUser cmdlet)
• iterate users and utilize SharePoint User Profiles CSOM API to retrieve user profile

function Get-SPOContext([string]$Url,[string]$UserName,[string]$Password)

{

   $context = New-Object Microsoft.SharePoint.Client.ClientContext($Url)

   $context.Credentials = Get-SPOCredentials -UserName $UserName -Password $Password

   return $context

}

function Get-SPOCredentials([string]$UserName,[string]$Password)

{

   $SecurePassword = $Password | ConvertTo-SecureString -AsPlainText -Force

   return New-Object Microsoft.SharePoint.Client.SharePointOnlineCredentials($UserName, $SecurePassword)

}

function Print-UserProfileInfo([Microsoft.SharePoint.Client.UserProfiles.PeopleManager]$PeopleManager,[string]$AccountName){

   $ctx = $PeopleManager.Context

   $accountName = "i:0#.f|membership|" + $AccountName  #claim format  

   $userProfile = $PeopleManager.GetPropertiesFor($AccountName)

   $ctx.Load($userProfile)

   $ctx.ExecuteQuery()

   Write-Host $userProfile.PersonalUrl

}