Google Sheets is a spreadsheet program that lives in your web browser instead of on your computer. You create and edit spreadsheets online, and they save automatically to your Google account. This category covers how Google Sheets actually works—the basic tasks like entering data, creating formulas, and formatting cells—and when it makes sense to use it instead of Excel, depending on what you're trying to do.
The articles here answer practical questions: How do you start a new sheet and share it with others? What's the difference between how formulas work in Google Sheets versus Excel? When does collaboration in the cloud matter more than having a file on your computer? How do you move data between the two programs if you need to switch?