Excel files
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.
Excel files, in XLS and XLSX formats, are spreadsheet documents created by 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.