Final answer:
The Cell Styles gallery is accessed through the Cell Styles option in the Styles group on the HOME tab in Microsoft Excel.
Step-by-step explanation:
The Cell Styles gallery in Microsoft Excel can be accessed by clicking Cell Styles in the Styles group on the HOME tab. This feature allows users to quickly apply a set of formatting choices that make it easier to format the cells in spreadsheets in a consistent and professional manner. It's a handy tool for students and professionals alike for enhancing the visual appeal and readability of their data.