Advantages

It is clear that microwave ovens have a wide range of advantages, such as:

• Reheating food is the microwave oven's most popular use. Reheating food in a microwave oven is incredibly effective, preserves vital nutrients, and prevents food from becoming mushy. Microwaves are excellent for reheating almost any type of food.
• Even though most people think of their cooktops and stoves as their primary cooking appliances, microwave ovens may actually be used to prepare a variety of items. It can be used to bake, grill, roast, blanch, boil, steam, and cook food. All of this can be accomplished with a microwave without using additional kitchen appliances.
• The amount of time it takes to heat up the food and the amount of carcinogenic char that forms are both decreased if the food is pre-heated in a microwave before placing it on the grill or in a pan.
• Microwave oven preparation takes less time, so less time is spent cooking, which preserves more nutrients in the food.
• If the microwave oven cooks or reheats tiny amounts of food, it uses less energy than a cook stove.
• Microwave ovens are ideal for people with small apartments because they take up significantly less space in the kitchen.
• Cleaning a microwave oven is far easier than a traditional oven. 
• The microwave oven can be left unattended because it has a timer that is set when the cooking starts, and it switches off automatically.
• Microwave ovens do not require preheating, which increases their efficiency as compared to conventional electric ovens. The moment the power is turned on, the microwave will begin to cook.

Builtlean. (2023). Retrieved October 8, 2023, from https://www.builtlean.com/microwave-cooking-side-effects/

Reference: 

History of microwave. (2023). Benefits of microwaves advantages of using microwave ovens. History of microwave. Retrieved October 8, 2023, from http://www.historyofmicrowave.com/microwave-facts/benefits-of-microwaves/