| oakley.dll | Oakley Key Manager | oart.dll | Microsoft OfficeArt |
| oartconv.dll | Microsoft OfficeArt Converter | oballoon.dll | Microsoft Office XP component |
| objbase.dll | Object Modal | objc.dll | ObjectiveC Runtime Library |
| object.dll | objectmodel.dll | ObjectModel Plugin | |
| objectps.dll | InstallShield (R) ObjectPS DLL | objsel.dll | Object Picker Dialog |
| obs.dll | obs-frontend-api.dll | ||
| obsglad.dll | oc25.dll | ||
| oc30.dll | Microsoft® OLE Control runtime DLL | occache.dll | Object Control Viewer |
| ocevogyv.dll | Host Library | ocgen.dll | Windows NT |
| oci.dll | Oracle Call Interface | ocltint.dll | Microsoft SharePoint Discussions Resources |
| ocmanage.dll | Bibliotek för hanteraren av valfria komponenter | ocmsn.dll | MSN Explorer OC |
| ocscryptoki.dll | Oberthur Technologies Pkcs#11 library | ocsetapi.dll | Windows Optional Component Setup API |
| oda_dll.dll | TODO: <File description> | odbc16gt.dll | |
| odbc32.dll | ODBC Driver Manager | odbc32gt.dll | ODBC Driver Generic Thunk |
| odbcbcp.dll | Microsoft BCP for ODBC | odbcconf.dll | ODBC Driver Configuration Program |
| odbccp32.dll | ODBC Installer | odbccr32.dll | ODBC Cursor Library |
| odbccu32.dll | ODBC Cursor Library | odbcint.dll | ODBC Resources |
| odbcji32.dll | Microsoft ODBC Desktop Driver Pack 3.5 | odbcjt32.dll | Microsoft ODBC Desktop Driver Pack 3.5 |
| odbcp32r.dll | Microsoft Data Access ODBC Driver Manager Resources | odbctl32.dll | ODBC Helper Function DLL |
| odbctrac.dll | ODBC Driver Manager Trace | oddbse32.dll | ODBC (3.0) driver for DBase |
| ode.dll | ODE Single Precision DLL for DelphiODE | odexl32.dll | ODBC (3.0) driver for Excel |
| odfox32.dll | ODBC (3.0) driver for FoxPro | odpdx32.dll | ODBC (3.0) driver for Paradox |
| odsole70.dll | odsole70 Dynamic Library | odtext32.dll | ODBC (3.0) driver for text files |
| oeimport.dll | Windows Mail Import & Export | oemdspif.dll | Oemdspif Module |
| oemhelpins.dll | Microsoft® Help Customization Installer | oemiglib.dll | Microsoft Outlook Express Migration Library |
| oakley.dll | Oakley Key Manager |
| oart.dll | Microsoft OfficeArt |
| oartconv.dll | Microsoft OfficeArt Converter |
| oballoon.dll | Microsoft Office XP component |
| objbase.dll | Object Modal |
| objc.dll | ObjectiveC Runtime Library |
| object.dll | |
| objectmodel.dll | ObjectModel Plugin |
| objectps.dll | InstallShield (R) ObjectPS DLL |
| objsel.dll | Object Picker Dialog |
| obs.dll | |
| obs-frontend-api.dll | |
| obsglad.dll | |
| oc25.dll | |
| oc30.dll | Microsoft® OLE Control runtime DLL |
| occache.dll | Object Control Viewer |
| ocevogyv.dll | Host Library |
| ocgen.dll | Windows NT |
| oci.dll | Oracle Call Interface |
| ocltint.dll | Microsoft SharePoint Discussions Resources |
| ocmanage.dll | Bibliotek för hanteraren av valfria komponenter |
| ocmsn.dll | MSN Explorer OC |
| ocscryptoki.dll | Oberthur Technologies Pkcs#11 library |
| ocsetapi.dll | Windows Optional Component Setup API |
| oda_dll.dll | TODO: <File description> |
| odbc16gt.dll | |
| odbc32.dll | ODBC Driver Manager |
| odbc32gt.dll | ODBC Driver Generic Thunk |
| odbcbcp.dll | Microsoft BCP for ODBC |
| odbcconf.dll | ODBC Driver Configuration Program |
| odbccp32.dll | ODBC Installer |
| odbccr32.dll | ODBC Cursor Library |
| odbccu32.dll | ODBC Cursor Library |
| odbcint.dll | ODBC Resources |
| odbcji32.dll | Microsoft ODBC Desktop Driver Pack 3.5 |
| odbcjt32.dll | Microsoft ODBC Desktop Driver Pack 3.5 |
| odbcp32r.dll | Microsoft Data Access ODBC Driver Manager Resources |
| odbctl32.dll | ODBC Helper Function DLL |
| odbctrac.dll | ODBC Driver Manager Trace |
| oddbse32.dll | ODBC (3.0) driver for DBase |
| ode.dll | ODE Single Precision DLL for DelphiODE |
| odexl32.dll | ODBC (3.0) driver for Excel |
| odfox32.dll | ODBC (3.0) driver for FoxPro |
| odpdx32.dll | ODBC (3.0) driver for Paradox |
| odsole70.dll | odsole70 Dynamic Library |
| odtext32.dll | ODBC (3.0) driver for text files |
| oeimport.dll | Windows Mail Import & Export |
| oemdspif.dll | Oemdspif Module |
| oemhelpins.dll | Microsoft® Help Customization Installer |
| oemiglib.dll | Microsoft Outlook Express Migration Library |