Here you will find user’s guide, datasheets, whitepapers and further documents for O&O Defrag.
O&O Defrag 25 Professional Edition PDF Datasheet
O&O Defrag 25 Server Edition PDF Datasheet
O&O Defrag 25 User’s Guide [online] [PDF download]
Whitepaper: O&O Defrag and the Windows Defragmenter: A comparison