Text inside cell can be:
1. General Text
2. Number
3. Formula

Number Formatting
Home Tab–>Number Group

Different Numeric Data Formatting
1. Number
2. Currency
3. Accounting
4. Date (Short or Long)
5. decimal places
6. percentile
7. comma style

Clear Formats/Content:
Home Tab–>Editing Group–>Clear

Clear content only: del

Date must be entered by using either – or /

Auto Fill can be used to:
1. copy cell data into adjacent cells
2. fill numeric and date series
3. fill known list items
4. fill custom lists.

Create Custom List:
Office Button–>Excel Options–>Popular–>Edit Custom Lists