# Apple Core Audio Format Core Audio Format (CAF) is an Apple audio container format. The notebook pairs “Audio packer” with `.caf` during its file-extension reconnaissance. ## Source - [[Scanned_20260730-1806#Page 5 — `Scanned_20260730-1806.pdf`, PDF page 5|Scanned_20260730-1806, PDF page 5]] ## Evidentiary boundary The extension is a clue, not proof of content. Confirm file signatures, container structure, codecs, originating application, and hashes. ## Relationships [[File Provenance]] · [[Technical Continuity]].