System Logs

System Logs CrashReporter This folder stores macOS CrashReporter log files that help diagnose app and system crashes for troubleshooting and support. System Logs install.log /private/var/log/install.log is a macOS system log that records software installation activity and package installer events. System Logs com.apple.xpc.launchd This launchd log file stores low-level macOS service and startup messages that help diagnose background service and boot issues. System Logs DiagnosticMessages This folder stores macOS diagnostic log messages used for troubleshooting system and app issues during normal operation. install.log.15.gz This is a rotated, compressed macOS installer log archive that records past software installation activity for troubleshooting and system history.