Hi @FPSSSADMIN ,
Unfortunately, currently Microsoft Edge does not have such option to determine which info would not be saved and autofilled.
But I do have a workaround for you since you've mentioned that you just don't want the information of those you serve to be saved. Use InPrivate Mode when you're dealing with customers and go back to normal Edge when you're dealing with your staff. In this case, customer info will not be saved and you can save & autofill your staff info.
For more information of InPrivate Mode, please read this doc.
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Best Regards,
Shijie Li