I've been tasked with finding the best (free/cheap) resource for Excel training and tips. While there are a lot of posts with tips out there, I'd like to find a central "library" for updated Excel tutorials where employees of various skill level can brush up on skills.
I'm thinking that videos would be most helpful, covering pivot tables, macros, formulas, etc.
Eventually it would be on our intranet, so online-based would be best.
*Just site names would be great, as I don't want to encourage posting actual links Thanks! :)