XLS/XLSX File

XLS/XLSX File (Definition)

XLS and XLSX are file formats for spreadsheet files used by Microsoft Excel.

Key aspects of XLS/XLSX files include:

1. XLS is the older format used in Excel 97-2003, while XLSX is the newer format introduced in Excel 2007
2. XLSX files are based on XML and offer improved security and smaller file sizes
3. Widely used for storing and organizing financial data, calculations, and reports
4. Support formulas, charts, and pivot tables for data analysis
5. Can be opened by various spreadsheet applications, not just Microsoft Excel
6. Important for data exchange between different accounting and financial systems
7. Understanding these formats is crucial for efficient data management and analysis in accounting

Proficiency in working with XLS/XLSX files is essential for modern accounting and financial data processing.