Read items from SharePoint Online in Powershell

GetItems.ps1

#Sample provided As-Is – Use after sufficient testing. 
#replace these details – User name, domain, Password. (Also consider using Get-Credential to enter password securely as script runs)
#Ensure there is a folder called C:\OUTPUT 
#from https://blogs.technet.microsoft.com/sharepointrecipes/2015/06/17/code-sample-spo-dump-out-list-items-to-csv/

$username = "admin@domain.onmicrosoft.com"

$password = "pwd"

$url = "https://domain.sharepoint.com"
$securePassword = ConvertTo-SecureString $Password -AsPlainText -Force

#install the SharePoint Online client SDK
[system.reflection.assembly]::LoadWithPartialName('Microsoft.SharePoint.Client')
[system.reflection.assembly]::LoadWithPartialName('Microsoft.SharePoint.Client.Runtime')

# connect/authenticate to SharePoint Online and get ClientContext object. 
$clientContext = New-Object Microsoft.SharePoint.Client.ClientContext($url) 
$credentials = New-Object Microsoft.SharePoint.Client.SharePointOnlineCredentials($username, $securePassword) 
$clientContext.Credentials = $credentials

if (!$clientContext.ServerObjectIsNull.Value) 
{ 
    Write-Host "Connected to SharePoint Online site: '$Url'" -ForegroundColor Green
}

#The list name I have used is CSVTEST1, you will have to change to your list's name.
$web = $clientContext.Web
$clientContext.Load($web)
$clientContext.ExecuteQuery()
$list = $web.lists.GetByTitle('csvtest1')
$all_Items_caml = [microsoft.sharepoint.client.camlquery]::CreateAllItemsQuery()
$allitems = $list.GetItems($all_Items_caml)
$clientContext.Load($list)
$clientContext.Load($allitems)
$clientContext.ExecuteQuery()

#Defining the data table that holds all the list data in custom fields. 
$datatable = @()

#Iterating through the list items with an AllItems query -> You will have to take care of list throttling scenarios.
#Multi values fields like names and email addresses are saved as semi colon separated strings – within the same custom field.
#These will need unpacking using custom code, where the CSV is being consumed. 
#The people field in this list is called XPEOPLE, and this can hold multiple values.
foreach($listitem in $allitems)
{
        $emails = ''
        foreach($p in $listitem['xpeople'])
        {
            $u = $web.GetUserById($p.LookupId)
            $clientContext.Load($u)
            $clientContext.ExecuteQuery()
            $emails=$emails+$u.email+';'
        }   

        $peoplenames = ''
        ($listitem['xpeople'] | select lookupvalue).lookupValue | %{$peoplenames=$peoplenames+$_+';'}

        #Use the SPList Field names below -> Use InternalNames as seen in SchemaXML
    $obj = new-object -TypeName 'PSObject' -Property @{
        Title = $listitem['Title']
        Name = $listitem['Name']
        Phone = $listitem['Phone_No']
        PeopleCount =     $listitem['xpeople'].count
        PeopleEmailAddresses = $emails
        PeopleNames = $peoplenames       
    }
    $datatable += $obj
}

#Dumping out the datatable to CSV.
$datatable | Export-Csv C:\output\test.csv
#Testing the CSV by importing into a variable – OPTIONAL. 
$all = Import-Csv C:\output\test.csv $all[0].PeopleEmailAddresses