2672 MacCaption Project Text (Structured) MacCaption is retired closed caption software for use in video captions. It was originally developed by CPC Computer Prompting and Captioning Co. and called CCaptionPro. It was renamed in 2003 to MacCaption. Project files have the extension .cca. Standalone caption files have the extension .mcc, and can contain both CEA-608 and CEA-708 data. 220 The Church of Jesus Christ of Latter-Day Saints / The Church of Jesus Christ of Latter-Day Saints 07 Feb 2023 07 Feb 2023 fmt/1821 PUID cca File extension 2161 MacCaption Project File BOF Absolute from beginning of file, magic bytes: MacCaption_CCA 1 Absolute from BOF 0 0 4D616343617074696F6E5F434341