Online computer courses can teach coding languages, explain how to use a specific product or educate users in digital media literacy. Platforms offering free courses ... a cat photo app and ...

Photo courtesy ... departments and units use the tool for training and specialization instruction. “Coursera is increasingly becoming part of Duke professional schools' and academic units' strategy,” ...

TL;DR: A wide range of online Microsoft Excel courses are available for free on Udemy. Everyone needs to use Microsoft Excel from time to time. There really is no way to avoid it these days.