Unverified50% confidenceFactExact time
In 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.
1
Sources
50%
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
UnverifiedmacOS 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.73% similarUnverifiedIn macOS, each application identifies itself through a unique Bundle ID, which the system uses to manage preferences, data sandboxes, Keychain access permissions, and push notifications.69% similarUnverifiedA 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.67% similarUnverifiedmacOS 软件除官方 Mac App Store 外，还通过独立开发者官网、Homebrew 包管理器、SetApp 订阅服务等渠道分发65% similar
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