Get-MailboxRulesAndDescription.ps1

## CONNECT TO EXCHANGE ONLINE POWERSHELL OR USE EXCHANGE MANAGEMENT SHELL FOR ON-PREMISES EXCHANGE
if (-not (Get-Module -ListAvailable -Name ExchangeOnlineManagement)) {
    Write-Host "ExchangeOnlineManagement module is not installed. Installing it..."

    ## INSTALL THE EXCHANGEONLINEMANAGEMENT MODULE FROM THE POWERSHELL GALLERY
    Install-Module -Name ExchangeOnlineManagement -Force -Scope CurrentUser

    if ($?) {
        Write-Host "ExchangeOnlineManagement module has been successfully installed." -ForegroundColor Green
    } else {
        Write-Host "Failed to install the ExchangeOnlineManagement module." -ForegroundColor Red
    }
} else {
    Write-Host "ExchangeOnlineManagement module is already installed." -ForegroundColor DarkGreen
}

## ENTER THE ADDRESS OF THE MAILBOX TO QUERY
$mailbox = Read-Host "Enter the Email Address:"

## GET ALL INBOX RULES FOR THE SPECIFIED MAILBOX
$inboxRules = Get-InboxRule -Mailbox $mailbox

## LOOP THROUGH EACH RULE AND DISPLAY DETAILED INFORMATION
foreach ($rule in $inboxRules) {
    Write-Output "Rule Name: $($rule.Name)"
    Write-Output "Priority: $($rule.Priority)"
    Write-Output "Enabled: $($rule.Enabled)"
    Write-Output "Description: $($rule.Description)"
    
    ## DISPLAY CONDITIONS, ACTIONS, AND EXCEPTIONS IN DETAIL
    if ($rule.Conditions) {
        Write-Output "Conditions:"
        $rule.Conditions | Format-List | Out-String | Write-Output
    }
    
    if ($rule.Actions) {
        Write-Output "Actions:"
        $rule.Actions | Format-List | Out-String | Write-Output
    }

    if ($rule.Exceptions) {
        Write-Output "Exceptions:"
        $rule.Exceptions | Format-List | Out-String | Write-Output
    }

    Write-Output "--------------------------------"
}