Good luck. It’s just not really practical. Office 365 is cheap and training everyone on another platform will cost more and make it harder to onboard new talent than using another system.
I worked for a company that was fully Google and the executives who were highly effective all just paid for excel themselves. It’s just not really practical when you’re going to make a presentation to learn how to do pivot tables in a new software in the crunch time.
I’m not a fanboy. I prefer Mac, but in a high cost labor environment like Europe it’s not worth it to save less than 1% of your labor cost on new software.
If the goal is purely to save costs, then yes. The main reason is actually stated in the title of the article. I recommend clicking the link to see it.