How to change the final value of several NetLabel at the same time - Altium Designer 21
You can easily do that with the &quot;SCH LIST&quot; panel (right bottom of your Altium window).
1 - Select all your labels.

2 - Open SCH List

3 - Select the column Text
4 - Right click -&gt; Smart Edit
5 - Set your changement

6 - Enjoy