: Charting became more accessible with predefined styles and professional themes.
This version introduced the format, shifting the default file extension from .xls to .xlsx . Microsoft Excel 2007
: Added new visual cues like data bars, color scales, and icon sets to highlight trends and outliers. : Charting became more accessible with predefined styles
: A visual toolbar at the top of the screen divided into tabs like Home, Insert, Page Layout, and Formulas. taking up significantly less disk space.
: These XML-based files are compressed, taking up significantly less disk space.