Tips,Tricks,Guide for excel 2.2

You do not need expensive courses on excel. With this app you can become an excel expert.
This app for everyone, from beginner to expert.
Feature:
- Step-by-step written instructions
- 500+ Tutorials about: Worksheet,Save & Share, Sort & Filter, Formulas, Popular Function, Data Analysis, Charts & Shapes, Print.
- Troubleshoot problems: #NUM, #VALUE, #N/A, #NAME?, #REF, #DIV/0, #NULL and more.
- All Shortcut Keys
- Custom Excel: custom Ribbon,custom Quick Access Toolbar, Add or remove add-ins,....
- Quick Search, History and Frequently tutorial

Thanks for comment!
Mail: appbibo@gmail.com