\ .. \\File Name.*\*.o*     Last updated on           , a full moon day

Extension

WIN 95

WIN 98

WIN NT

WIN ME

WIN 2000

WIN XP

WIN 2003

Change Log Remark

Remark

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...

*.o                 HPUX / Check Point Firewall-1
*.o           yy     \\Macromedia\..\font*.o;

*.obd

yy

 

 

 

 

yy

 

E-mail

Office binder

*.obe

 

 

 

yy

 

 

yy

 

OOBE; in ME (not in 95 & 98); \\OOBE\ i.e. migrate.obe; phone.obe

*.obt

yy

 

 

 

 

 

 

E-mail

Office Templates: \\Templates \Binders\ i.e.propos~1.obt

*.obz

yy

 

 

 

 

 

 

 

Office Binder Template

*.oc_

 

yy

 

 

 

yy

 

 

Game; preinstall OCX: \\clientsetup\ i.e. mswinsck.oc_

*.oca

 

 

 

 

 

 

 

 

 

*.ocm

 

yy

 

 

 

 

 

 

\\Netscape\Communicator\Program\AIM\ i.e. admin.ocm

*.ocx; *.ocx

yy

yy

 

yy

 

yy

yy

 

OCX; SDK OLE COM's TypeLib file

*.oda               application/oda  
*.odc           yy     \\data source\New SQL Server Connection.odc

*.ode

 

yy

 

 

 

 

 

 

\\Microsoft Office\Office\ i.e. accfil80.ode [version: 8.0]

*.odl

 

yy

 

 

 

 

 

 

\\Netscape\Communicator\Program\AIM\ i.e. aim.odl

*.oft

 

yy

 

 

 

 

 

 

\\Microsoft Office\Templates \Outlook\i.e.ocean.oft[background]

*.ofx           yy      
*.ol?           yy     DocFile of OLE2; Windows NT DocFile v.2 can view storage hierarchy, and stream-content;  

*.olb

yy

yy

 

 

 

yy

 

 

OLB; i.e. ven2232.olb; i.e. vbeext1.olb

*.olb

yy

 

 

 

 

 

 

 

\\MSOffice\Schedule\

i.e. sp7en32.olb; SDK OLE COM's TypeLib file

*.old

yy

yy

 

yy

 

yy  

 

Old setup; i.e. \\windows \wininitlog.old; Backup / CyberMedia Non Critical Cleaner v.4.52

*.olk

 

yy

 

 

 

 

 

 

Outlook address book

*.omg           yy     SONY OpenMG song, music, audio
*.opf           yy     SONY Backup\#*.opf

*.ops

 

 

 

 

 

yy

 

 

Office Settings

*.opt yy yy yy yy yy yy     Microsoft Visual C++ Hold Work Space Configuration; InterSystems;
*.ora yy               Oracle's INIT.ora contains database buffer cache variable DB_BLOCK_SIZE
*.org           yy     i.e. \\america online\default.org

*.ost

 

yy

 

 

 

yy

 

 

Outlook 2002; Offline Folder; Setting;

*.out

 

yy

 

 

 

yy

 

 

Game: \\cm00-01\ i.e. ~net.out;

*.ovl yy              

\\dos\  i.e. msbackup.ovl

 

%SHARE% Possible ; MIME ;

 

 

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