MacCaption 1
Unknownvideo
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. In 2003, it was renamed 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.
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| Extensions | .mcc |
|---|---|
| Signatures | 46696c6520466f726d61743d4d616343617074696f6e5f4d4343205631 at byte 0 (MacCaption File v.1)46696c6520466f726d61743d4d616343617074696f6e5f4d4343 at byte 0 |
| PRONOM | fmt/1819 |
| Wikidata | Q28919062 |
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From Just Solve the File Format Problem (File Formats Wiki), PRONOM, Wikidata. Updated 2026-10-24.