Document Processing Guide Work with office documents: PDF, Excel, Word, and PowerPoint. --- Format Overview | Format | Extension | Structure | Best For | |--------|-----------|-----------|----------| | PDF | .pdf | Binary/text | Reports, forms, archives | | Excel | .xlsx | XML in ZIP | Data, calculations, models | | Word | .docx | XML in ZIP | Text documents, contracts | | PowerPoint | .pptx | XML in ZIP | Presentations, slides | Key concept : XLSX, DOCX, and PPTX are all ZIP archives containing XML files. You can unzip them to access raw content. --- PDF Processing PDF Tools | Task | Best To…