FILEPREFLIGHT — CROSS-FORMAT HIDDEN-DATA INVENTORY

PDF
- Document properties and XMP metadata
- Comments, annotations, form values, attachments, layers, scripts, and embedded files
- Text hidden by shapes, crops, clipping, or visual overlays
- OCR text and page-image content

WORD / DOCX
- Properties, authors, template references, comments, tracked changes, headers, footers, and hidden text
- Embedded objects, links, relationship parts, custom XML, and filenames

EXCEL / XLSX
- Hidden sheets, rows, columns, formulas, defined names, comments, connections, pivot caches, charts, and properties
- External workbook paths, queries, embedded objects, and filenames

POWERPOINT / PPTX
- Speaker notes, hidden slides, comments, off-slide objects, properties, links, and embedded media or files

JPEG / PNG
- EXIF, XMP, IPTC, GPS, device information, thumbnails, and visible text in pixels

TEXT / DATA / CONFIG
- Credentials, tokens, connection strings, internal URLs, identifiers, comments, fields, filenames, and encoding artifacts
- Relationships between otherwise ordinary fields that can re-identify a subject

FINAL CHECK
[ ] Use the minimum useful copy.
[ ] Inspect both visible content and applicable hidden structures.
[ ] Close and reopen the exact output.
[ ] Search, extract, and visually review again.
[ ] Confirm useful content and file behavior remain intact.
[ ] Obtain required human and destination approval.