No, they are wired.

You mention you do extensive work with Excel, pleased keep in mind this model and the Yoga 720-13 do not have a 10-key numeric pad within the keyboard. The numbers are across the top of the keyboard. Though the Yoga 720-13 does have an 8th Generation Intel Core I-5 processor, which will be 20% faster and provide better battery life, this model, the Yoga 710-15 has the larger screen which will be good for working with numbers. Both have solid state hard drive for quick file/program recall. Either is a great choice for Excel. Take a look at the features of each model to see which will suit your needs better. If you decide to go with the lighter weight, faster Yoga 720-13, you can always add an external monitor for better viewing at the office and still have great portability when you are on the go.

That really depends on the requirements of the software you will be using. We recommend you check with the video editing software publisher's web site you will be using, for their compatibility with Windows 10 Home 64-bit operating system and the minimum/recommended hardware requirements (Is a Graphics card required, the processor speed and the minimum required system RAM and the minimum available hard drive space) to run their program, then compare those requirements to this system's configuration.

No, this model does not have a backlit keyboard.