Office Reference
Review PDF page geometry, form fields, processing limits, and the package structure inspected in DOCX, XLSX, and PPTX files.
PDF pages, order, and document metadata
Understand what page operations change and what document properties may not survive a local rewrite.
PDF processing limits in a browser
Why file size, page count, memory, and browser capabilities affect local PDF work.
PDF page geometry: boxes and rotation
Understand how PDF page boxes and the rotation entry affect display, print, and layout tools.
PDF forms and signatures
Distinguish AcroForm fields, XFA forms, and digital signatures when inspecting a PDF workflow.
Office file formats and packages
How DOCX, XLSX, and PPTX use ZIP packages, XML parts, relationships, media, and embedded objects.
Accessible PDF basics
A short checklist for structure, reading order, text alternatives, and form labels in PDF exports.