Excel
PDF files
Excel files, in XLS and XLSX formats, are spreadsheet documents created by Microsoft Excel. These files are widely used for organizing, analyzing, and presenting data. Excel provides powerful features for data manipulation, formula calculations, and chart creation, making it a versatile tool for business and data analysis.
PDF (Portable Document Format), a format created by Adobe, ensures universal viewing with text,images, and formatting. Its portability, security features, and print fidelity make it pivotal in document tasks, apart from its creator's identity.