Eyes are a great gift of God to humankind. We should not subject them to unnecessary strain by looking at dirty data. Instead, we should focus on cleaning up any dirty data we may have. I have recently finished Excel Skills For Business: Essentials by Macquarie University certificate course from Coursera. Best way to check your learnings is to implement them in real life. This is the snapshot of a dataset, that I have taken from Kaggle. It represents the details of laptops of different companies with their prices, memory, GPU and operating systems. Snapshot of uncleaned dataset LEARNINGS Use of Fill Handle A plus sign is used as a fill handle; Excel's fill handle is a strong tool that lets you swiftly insert formulas or data into cells. It is shown as a little square in the selected cell or range's lower-right corner. Adjusted Column Width It helps in making the data more presenta...