O&O Defrag 26 Product manual

O&O Defrag 26 
COMPLETE/Access Method

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COMPLETE/Access Method

The COMPLETE/Access method defragments your files and reorganizes your file structure. Although this method is slower than the STEALTH and SPACE methods, it guarantees maximum system performance when your files are being read.


Files are sorted according to when they were last accessed. The files that have been accessed the least will be placed at the beginning of the partition and those accessed most frequently are put near the end. Seldom-used files are defragmented and will not need to be moved in future. Frequently-used files are placed at the end of the drive. This strategy means that future defragmentation runs will require the least amount of time, as fewer files need to be checked and defragmented.

Recommended Application

If you want to use the COMPLETE/Modified method for your regular defragmentation runs, you should bear in mind that you only use this method on your drive. Combining various methods (COMPLETE, STEALTH, and SPACE) can result in defragmentation taking much longer, as the file system would need to be reorganized each time.

  • Maximizes the read access performance on servers
  • For regularly defragmenting your volumes
  • On computers that have sufficient resources available when the defragmentation takes place – CPU usage is likely to increase significantly (it is strongly recommended that you use the O&O ActivityMonitor). A larger amount of free disk space is necessary with this method.
  • All kinds of servers and workstations