[TAGALOG]
Why Spreadsheets Are Not Documents
A Word document is a sequential text stream with formatting metadata. An Excel spreadsheet is a relational data structure: cells reference other cells, formulas operate on cell ranges, pivot tables aggregate named data ranges, and macros traverse the spreadsheet object model. Treating an Excel file as a text document to be processed for PII patterns — which is how most document redaction tools approach spreadsheets — misses the data relationships that defi...