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It doesn't make much sense to waste resources on defragmenting temporary files because, by nature, these files are only valid for a limited time.

This feature reduces the growth of the VSS storage area caused by file movements and ensures that no shadow copies are overwritten.Īlso useful is that Disk Defrag can delete Windows and user temporary files before defragmenting. If you use the Volume Shadow Copy Service (VSS), you will like Disk Defrag's VSS compatible mode. For example, if a large file consists of the two fragments, you won't notice the difference between the fragmented and defragmented configuration because reading the large file takes much longer than moving the disk head from one fragment to another. Moving large fragments can slow down defragmentation noticeably but will only improve the disk performance slightly. If only rarely-used files are affected, you don't need to defrag the disk.Īnother feature that gives you more control over what will be defragmented is the option to skip fragments larger than a configurable size. This helps you see whether defragmentation can really improve disk speed. You can also select fragmented clusters Disk Defrag will tell you what files are in this block. Note that Windows Explorer integration has to be enabled in the program settings first.

To defrag a certain file or folder, you only have to right-click the object in Windows Explorer and then choose Defragment with Disk Defrag. For instance, this can be useful if you only want to defrag a Hyper-V virtual disk file because you just defragmented the corresponding disks in the guest system. But sometimes it is better to let a human decide how disk defragmentation should be restricted.įor this, Disk Defrag allows you to select what folders or files have to be defragmented. Third-party disk defrag tools use different algorithms to minimize the impact on system operations by limiting defragmentation activities according to certain rules. The only problem is that during the defragmentation process, the computer can slow down considerably. Disk defragmentation can speed up a computer significantly.