Technical information

Getting started
O&O Defrag - 21
Defragmentation methods
Note: Please bear in mind that the older methods can only be selected if zone filing is disabled.
Performance new and old methods of O&O Defrag
Methods optimized for Zone filing Standard methods
Optimize Optimize/
Quick
Optimize/
Complete
Space Stealth Complete-Meth-
ods
Defragmentation of
files
Defragmenting the
free space
Prevention of further
fragmentation
Results of high-level
fragmentation*
Suitability for very
large files
(> 4 GB)
Suitability for many
files
(> 1 M)