Get All External Users on Individual SPO Sites

Get_SPO_External_Users.ps1

#Get_SPO_External_Users.ps1

# Specify the SharePoint Online site URL.
$siteUrl = 'https://lazyexch.sharepoint.com/sites/CustomerSupportPortal'

# Initialize the results placeholder arraylist
$externalUsers = [System.Collections.ArrayList]@()

# Set the initial position index to 0 (zero-based index).
$positionIndex = 0

# Execute the do-while loop to get all external SharePoint users exceeding 50.
do {
    # Get the SharePoint Online external users from $positionIndex, maximun of 50.
    $temp = @(Get-SPOExternalUser -SiteUrl $siteUrl -PageSize 50 -Position $positionIndex)
    # If the last retrieved external users count is not 0, add it to the $externalUsers collection.
    if ($temp.Count -gt 0 ) {
        $null = $externalUsers.AddRange($temp)
    }
    # Increment the position index by 50, the maximum page size
    $positionIndex += 50
}
while (
    # Continue the loop if the last retrieved external users count is 50
    $temp.Count -eq 50
    # Otherwise, exit the loop.
)

# Display the results
$externalUsers | Select-Object DisplayName, Email, AcceptedAs