Unverified60% confidenceFactExact time
macOS file-opening behavior is built on the Launch Services framework, where applications declare the file types they can handle (defined by UTIs) via Info.plist at installation time.
2
Sources
60%
Confidence
Long-term
Relevance
8/17/2026
First Seen
Sources
FileRouter：自定义Mac文件默认打开方式的效率神器
Related Claims
UnverifiedA macOS .app is essentially a folder with a specific structure (Bundle), containing an executable binary, resource files, an Info.plist configuration manifest, and other components.78% similarUnverifiedIn macOS's native file association mechanism, one UTI can only be bound to one default application and does not support dynamic decisions based on path, project context, or user state.73% similarUnverifiedmacOS 的后台任务管理体系基于 launchd，Apple 从 Mac OS X 10.4 开始引入，用于替代传统 Unix 的 init、cron、inetd 等守护进程管理工具72% similarUnverifiedLaunch Services has existed since the Mac OS X 10.0 era, replacing the Desktop Database mechanism from classic Mac OS.70% similarUnverifiedThe design inspiration for the file shelf can be traced back to the early macOS Stacks feature and the iOS file drag-and-drop staging mechanism.68% similar
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