Clean a Microwave Interior Safely in Six Steps
Remove food splatters with a soft cloth and mild cleaner; avoid metal scouring pads and harsh oven cleaners.
Food splatters can dry onto a microwave's interior. USDA recommends consulting the appliance manual, wiping with a warm damp soft cloth and avoiding abrasive pads or oven cleaners. These steps do not involve electrical repairs or pouring liquid into the appliance.