Basic knowledge for Ms Excel

Which function can transform texts for different purposes in Excel?

What is the best and easiest way to hide data thoroughly in Excel?

What symbol can be used to compose any text freely in Excel?

How can you prevent Excel from deleting the zero at the start of an input value?

What is the fast way to move and copy data in cells in Excel?

How can you add a diagonal line to a cell in Excel?

What is the purpose of hiding a sheet in Excel?

How can you add more than one new row or column in Excel?