Excel is so extensive that a tutorial alone will certainly not help you to learn everything about Excel.
There are various tutorials that you can also find on the internet.
Microsoft itself offers various ways to get to know Excel.
Aside from the online help available to every user during and on the job, there are a few links.
But the best way to learn Excel is by doing :).
Anyway, here are some links with options:
Excel video training
Microsoft 365 Training
Browse Certifications and Exams
Hope I was able to help you with this info.
I know I don't know anything (Socrates)