What are some common uses of Excel?

Mariah was working on a multimedia presentation that included both video and audio files. the file was huge, and she wanted to send it to her coworker in another office. she needed to reduce the size of the file so that it could be transmitted faster. the utility she used to do this was

How do you take a green screen out of the video while editing?

The first screen you see when you open word2016 what is called?