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Windows

O&O Defrag Professional download

Free Improve file access speed by defragmenting hard disks
Review Download All version
26.1 (latest)
Feb 2, 2023
oodefragprofessional22enu.exe
x64 2.5 MB
26.0
25.5
25.2
25.1
25.0
24.5
24.1
24.0
oodefragprofessional24enu.exe
x86 2.5MB x64 2.5 MB
23.5
23.0
Oct 8, 2019
oodefragprofessional23enu.exe
x86 2.5MB x64 2.5 MB
22.1
21.1
Apr 20, 2018
oodefragprofessional21enu.exe
x86 2.5MB x64 2.5MB
16.0
Sep 30, 2012
15.8
Jun 20, 2012
15.0
Sep 26, 2011
oodefrag15professionalenu.exe
x86 20.9MB x64 2.5 MB
14.0
Sep 5, 2010
12.5
Jun 17, 2010
12.0
Aug 30, 2009
11.6
Sep 13, 2009
11.5
Mar 6, 2009
11.1
Nov 5, 2008
11.0
Jan 23, 2009
10
May 15, 2007
10.0
Jan 6, 2009
8.6
Dec 20, 2008
8.5
Mar 21, 2009
8.0
May 5, 2008
6.5
Aug 2, 2008
6.0
Apr 15, 2009
4.0
Mar 1, 2008
1.0
Mar 11, 2009

What's new
























v10 [May 15, 2007]
Windows Vista compatibility (x32/x64). New built-in O&O Defrag ScreenSaver and optional 64-bit version










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