PDF is a widely used file format for documents that need to maintain their original formatting across different devices. It can store text, images, and interactive elements like hyperlinks or forms. PDF files are commonly used for contracts, brochures, and professional reports.
EXCEL is a spreadsheet program developed by Microsoft. It is widely used for creating and managing data in tabular form, supporting complex calculations, data analysis, and graphing. EXCEL files are compatible across platforms and are an industry-standard tool for business and finance.