Disk Defragmenter

Disk Defragmenter is a system utility for analyzing local volumes and locating and consolidating fragmented files and folders. You can also defragment disks from a command line using the defrag command.

Before defragmenting files or folders, see Checklist: Defragmenting volumes 

For tips about using Disk Defragmenter, see Best practices 

For help with specific tasks, see How to 

For general background information, see Concepts 

For problem-solving instructions, see Troubleshooting 


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