com.qtproject.plist

What is com.qtproject.plist?

com.qtproject.plist is a macOS preferences file stored in your user Library. Preference files in this location save app-specific settings such as window state, interface choices, recent values, and other defaults for the software that created them. The com.qtproject name is associated with Qt, a cross-platform application framework used by many desktop tools and developer-focused apps. On macOS, Qt-based software can write settings in plist format under reverse-DNS names like this one. Users usually encounter this file when reviewing storage, troubleshooting app settings, or cleaning up data left behind after uninstalling software that used Qt components.

Safety overview

Status: Mostly safe

This is a user-level preferences file, not a system component. Removing it normally deletes saved settings for the app or Qt-based tool that created it, so the related app may reset preferences the next time it opens. The main caution is identity: com.qtproject describes the settings namespace, but it does not by itself tell you which installed app wrote the file. If you still use a Qt-based app and want to keep its configuration, leave this file in place.

Recommendation: Keep this file if you still use the related Qt-based application or want to preserve its settings. If the app has already been removed or you are troubleshooting corrupted preferences, you can delete the file; the usual effect is that custom settings are lost and may be recreated later if the app runs again.

File path

• ~/Library/Preferences/com.qtproject.plist

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