XLS
JPEG files
XLS (Microsoft Excel spreadsheet) is an older file format used for storing spreadsheet data. Although largely replaced by XLSX, XLS files can still be opened and edited in Microsoft Excel. They contain tabular data with formulas, charts, and formatting.
JPEG (Joint Photographic Experts Group) is a commonly used image format known for its lossy compression. It is widely used for photographs and other images with smooth color gradients. JPG files offer a good balance between image quality and file size, making them suitable for various applications.
Looking for more ways to work with JPEG files? Explore these conversions: JPEG converter