Apple II data cassette

File Format
Name	Apple II data cassette
Ontology	Physical File Formats Magnetic tape Audio Cassette Apple II data cassette
Released	1977

The Apple II data cassette format was used to save programs and data on early Apple II computers. A similar format was used on the earlier Apple I. At the first release of the Apple II, the cassette was the only means of data storage, but by 1978 a floppy disk drive was available.

Format documentation

• Apple cassette interface, 1 of 2 (Apple official site)
• Apple cassette interface, 2 of 2 (Apple official site)
• Apple cassette copy protection
• Some discussion of Apple cassettes
• Apple programs on cassette
• Apple I Cassette Interface Manual