أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
An easy and an inexpensive way is to take online lessons, you can visit chandoo.org for instance, and then practice what you learn.
Webinars and UTube.
Use the F1 key and type in key words you want some information about
Ask other work colleagues who are your supervisors
Excel makes life easier, think out the box and ask the question "how can I make this process easier and more automated, and then research on achieving the outcome".
Instead of studying join some company as a trainee
Just expose yourself to all knowledge source about Excel. :D
Practice and Study. Doing Example Data Sheet..
read and apply at the same time
I think the best way to lean Microsoft Excel is using its help.
Basm Allah Alrahman Alrahim
Libre Office - Calc, Open Office -- Calc, Excel Tutorial -- YouTub
Thank you for this question that help us to search and learn
Daily exercise and training
learn regularly on line lesson or press F1 for help and read carefully and apply on Spreed sheet
During apply every option in lists and formulas - step by step - direct on Excel sheet