If you are using the same entries all over again, you can create a custom list with these entries and when you need it just enter the first one then drag the cell down for the rest to fill out automatically.
You will find out how to summarize cells that have a same color of the font, the red one in my case. Really useful when working with different types of specific data in Excel.
If you know how many years or months you got left until the retirement or any other event or project in your life, Excel can return you the exact date and the number of days left to reach it.
