The Microsoft Excel spreadsheet program was initially released in 1985 and continues to be popular to this day. If you want to become an expert in Excel, you can learn how to add a dropdown list in a cell to find duplicates, delete blank rows, and more. There are also tips on using macros and VBA procedures, adding timestamps, sending scheduled report emails, converting birthdates to ages, and using pivot tables. Additionally, you can find information on manipulating data, using styles and visuals, applying conditional formatting, using functions, performing calculations, and much more. The content includes various tips, tricks, and downloads to help you enhance your Excel skills.