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Step 3: Delete those outdated iTunes Library backups.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Step 3: Delete those outdated iOS backups.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Step 3: Delete those outdated iOS software updates.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.