diff --git a/readme.txt b/readme.txt
index e069e94..0f984f8 100644
--- a/readme.txt
+++ b/readme.txt
@@ -1,12 +1,12 @@
 === Event Tickets Extension: PDF Tickets ===
-Contributors: ModernTribe
-Donate link: http://m.tri.be/29
+Contributors: theeventscalendar
+Donate link: http://evnt.is/29
 Tags: events, calendar
-Requires at least: 4.5
-Tested up to: 5.4.1
-Requires PHP: 5.6
-Stable tag: 1.2.2
-License: GPL version 2
+Requires at least: 5.8.5
+Tested up to: 6.2
+Requires PHP: 7.4
+Stable tag: 1.2.3
+License: GPLv2 or later
 License URI: https://www.gnu.org/licenses/gpl-2.0.html
 
 Event Tickets' RSVP, Tribe Commerce PayPal, WooCommerce, and/or Easy Digital Downloads ticket emails will become PDF files saved to your Uploads directory and then get attached to the ticket emails.
@@ -35,6 +35,11 @@ We're always interested in your feedback, and our [premium forums](https://theev
 
 == Changelog ==
 
+= [1.2.3] 2023-04-27 =
+
+* Fix - Update the attachment handling for WooCommerce tickets in Outlook.
+* Tweak - "WooCommerce tested up to" version changed from `4.2.0` to `7.6.1`.
+
 = [1.2.2] 2020-06-10 =
 
 * Fix - Update mPDF library version so this plugin now works with PHP 7.4. [EXT-211]
diff --git a/tribe-ext-pdf-tickets.php b/tribe-ext-pdf-tickets.php
index e69452f..196c2a1 100644
--- a/tribe-ext-pdf-tickets.php
+++ b/tribe-ext-pdf-tickets.php
@@ -2,16 +2,16 @@
 /**
  * Plugin Name:       Event Tickets Extension: PDF Tickets
  * Description:       Event Tickets' RSVP, Tribe Commerce PayPal, WooCommerce, and/or Easy Digital Downloads ticket emails will become PDF files saved to your Uploads directory and then get attached to the ticket emails.
- * Version:           1.2.2
+ * Version:           1.2.3
  * Extension Class:   Tribe__Extension__PDF_Tickets
  * Plugin URI:        https://theeventscalendar.com/extensions/pdf-tickets/
  * GitHub Plugin URI: https://github.com/mt-support/tribe-ext-pdf-tickets
- * Author:            Modern Tribe, Inc.
- * Author URI:        http://m.tri.be/1971
+ * Author:            The Events Calendar
+ * Author URI:        http://evnt.is/1971
  * License:           GPL version 2
  * License URI:       https://www.gnu.org/licenses/gpl-2.0.html
  * Text Domain:       tribe-ext-pdf-tickets
- * WC tested up to:   4.2.0
+ * WC tested up to:   7.6.1
  */
 
 use Mpdf\Mpdf;
@@ -946,7 +946,7 @@ private function add_woo_pdf_to_attachments_list( $attendee_id, $file_name ) {
 			}
 
 			// add to array with key like `woo_84202_1`
-			$this->attachments_array[ $order_id_array_key . '_' . $this->attachment_count ] = $file_name;
+			$this->attachments_array[ $order_id_array_key . '_' . $this->attachment_count . '.pdf' ] = $file_name;
 		}
 
 		/**