The sample implementation of zip-archived document for a macOS AppKit platform. You can implement NSDocument-based I/O of archived document in your application like .sketch or .key.

The .arcdoc document file defined in this sample is zip archived and can be unzipped on the Finder by adding .zip to the extension.

.arcdoc file and unzipped document.

ZIP Foundation framework is used for the zip archiving process.

See the NSDocument implementation for details.


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