Convert XLS to Excel

XLS files are Excel files that use the Binary Interchange File Format (BIFF). This was the default format for Excel versions 97-2003.

XLS files can have multiple sheets, and each sheet can contain multiple rows and columns of data. They support various data types, including text, numbers, dates, and formulas.

Key features of XLS files include:

• Works with older versions of Excel and other spreadsheet software
• Can store formatting information, charts, and macros
• Smaller file size compared to newer formats like XLSX
• Limited to 65,536 rows and 256 columns per sheet

While XLS files are still widely used, they're gradually being replaced by the more modern XLSX format.

Microsoft Excel is a powerful spreadsheet application developed by Microsoft for Windows, macOS, Android, and iOS. It offers calculation capabilities, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications (VBA).

Excel files can have multiple sheets, and each sheet can contain multiple rows and columns of data. Excel supports various file formats, including XLS, XLSX, and CSV.

Key features of Microsoft Excel include:

• Data analysis tools like sorting, filtering, and conditional formatting
• Ability to create complex formulas and use built-in functions
• Charting and graphing capabilities for data visualization
• Pivot tables for summarizing and analyzing large datasets
• Macro recording and VBA programming for automation
• Collaboration features, including real-time co-authoring in newer versions

Excel is widely used in business, finance, and data analysis for tasks ranging from simple calculations to complex modeling and reporting.