I know it can get rough in the microwave especially if you use it frequently at home.
The splatters of food and grease inside of the microwave can contaminate your food from the residue.
Its unhealthy to have gross leftover food particles from past microwaving sit in there.

Image by Natural Cures via YouTube
Microwave the vinegar water for about 5 minutes on high.
Let the mixture sit in the microwave for about 3 minutes.
Clean the turntable and its support in the sink with dish soap and a sponge.

Wait until they are cold before washing them to avoid cracking the glass.
Continue to watchNatural Curestutorial on YouTube on how to remove the odors from your microwave with lemons.
Overall, vinegar is a great natural product for cleaning because it acts as a degreaser and disinfectant.

Also, this tutorial has another part on how to remove odors from the microwave using lemons.