Use this link to share with your colleagues:
Becoming an Excel Ninja: The Basics: https://help.pm.leapevent.tech/a/1040758
This webinar was recorded in Salesforce Classic. The concepts all carry over to the Lightning interface - the screens will just look a little different than what you're used to.
We recommend setting the video quality to high (click on the gear at the lower-right of the embedded video) and watching the video in full-screen mode, if possible.
Here's the handout we mention in the video: