To learn more about areas like this in your Phorest system, enroll in your Sales and Refunds course in Phorest Academy - online, on-demand, and on-the-go learning for busy salon professionals.
Click into Manager- Sales
Single-click the sale you wish to void, then click Void at the bottom of the screen. Once prompted, type in the reason you are voiding and click OK
You can see below the Voided Sale has turned Grey
If you click on the voided sale, the Reason for the Void will appear for you clearly