How Do I Clear / Clean / Delete System Log, Cache and Outdated Backup in Apple Mac OS X

System log files, application error crash reports, cache, iOS and iTune backup tend to build up from time to time which could possibly slow down Mac OS X (macOS). To remove system log files and application error crash reports from Mac OS, follow these steps.

Content Summary

Solution 1: Remove User Log Files
Solution 2: Remove Cache Files
Solution 3: Remove Old iTunes Library Backups
Solution 4: Remove Old iOS Backups
Solution 5: Remove iOS Software Updates
Solution 6: Empty out the Trash

Solution 1: Remove User Log Files

Step 1: Open Finder and select Go to Folder in the Go menu.

Step 2: Type in ~/Library/Logs and hit Enter to proceed to user log files folder.

Step 3: Select individual log files, then right-click and select Move to Trash.

Step 4: Go inside each sub-folders within the Logs folder and remove the system log files found there.

Step 5: Restart Mac.

Solution 2: Remove Cache Files

Step 1: Open Finder and select Go to Folder in the Go menu.

Step 2: Type in ~/Library/Caches and hit En<h3>ter.

Step 3: Delete the files and folders that are taking up the most space.

Step 4: Now click on Go to Folder again.

Step 5: Type in /Library/Caches and hit Enter.

Step 6: Delete the folders that take up the most space.

Step 7: Restart Mac.

Solution 3: Remove Old iTunes Library Backups

Step 1: Open Finder and select Go to Folder in the Go menu.

Step 2: Type in ~/Music/iTunes/Previous iTunes Libraries.

Step 3: Delete those outdated iTunes Library backups.

Solution 4: Remove Old iOS Backups

Step 1: Open Finder and select Go to Folder in the Go menu.

Step 2: Type in ~/Library/Application Support/MobileSync/Backup/.

Step 3: Delete those outdated iOS backups.

Solution 5: Remove iOS Software Updates

Step 1: Open Finder and select Go to Folder in the Go menu.

Step 2: Type in ~/Library/iTunes/iPad Software Updates for iPad or ~/Library/iTunes/iPhone Software Updates for iPhone.

Step 3: Delete those outdated iOS software updates.

Solution 6: Empty out the Trash

Step 1: Ctrl+click your Trash in the the Dock.

Step 2: Select Empty Trash option.

Step 3: Click Empty Trash.