diff --git a/AutoUserADCreator.ps1 b/AutoUserADCreator.ps1
index 91fcb29..831e37f 100644
--- a/AutoUserADCreator.ps1
+++ b/AutoUserADCreator.ps1
@@ -6,11 +6,24 @@
 
 # Import required PowerShell modules
 import-module ActiveDirectory
+
 #Specify User Principal Name (Active Directory Domain Forest Name)
 $UPN = "alphadelta.com"
+
 #Get user to specify path of the CSV file containing user info to be added into the Active Directory.
 $fpath = Read-Host -Prompt "Please enter the path to your CSV file:"
+
+# Check if CSV file exists with the path specified by the end-user
+# If so, error out the program with generic error stating so. (RAYYAN Contribution)
+if (-not (Test-Path $fpath)) {
+    Write-Host "CSV file does not exist. Exiting script."
+    exit
+}
+
+# Display path to file given by end-user
 echo $fpath
+
+#Import users from CSV file.
 $fusers = Import-Csv $fpath
 #Set tempoary password to "Pa$$w0rd1" which the user will be required to change when they first login.
 $fsecPass = ConvertTo-SecureString -AsPlainText "Pa$$w0rd1" -Force
@@ -25,3 +38,16 @@ ForEach ($user in $fusers) {
     echo $fname $lname $jtitle $OUpath
     New-ADUser -SamAccountName = $fname.$lname -UserPrincipalName "$fname@alphadelta.com" -Path $OUpath -AccountPassword $fsecPass -Enabled $true -PassThru
     }
+
+       # Check if user already exists within OU. Skip if so with message stating so. (RAYYAN Contribution)
+    if (Get-ADUser -Filter "SamAccountName -eq '$fname.$lname'") {
+        Write-Host "User $fname.$lname already exists. Skipping."
+    } else {
+        New-ADUser -SamAccountName "$fname.$lname" -UserPrincipalName "$fname@$UPN" -Path $OUpath -AccountPassword $fsecPass -Enabled $true -PassThru
+    }
+}
+
+#Print message stating the program has completed succsessfully, and to prompt them to press any key to close the program. (RAYYAN Contribution)
+
+Read-Host -Prompt "User creation completed, press any key to close the window."
+