| w3ctrs.dll | 30kb. | 7.5.7600.16385 (win7_rtm.090713-1255) | W3 Service Performance Counters |
| w3ctrs.ini | 57kb. | | |
| w3ctrs.ini | 105kb. | | |
| w3ctrs51.dll | 5kb. | 5.1.2600.0 (xpclient.010817-1148) | W3 Service Performance Counters |
| w3dt.dll | 58kb. | 6.0.3790.4693 (srv03_sp2_qfe.100414-1800) | IIS Worker Process/Http.sys Interface |
| w3dt.dll | 32kb. | 7.5.7601.17514 (win7sp1_rtm.101119-1850) | IIS Worker Process/Http.sys Interface |
| w3dt.dll | 24kb. | 7.5.7600.16385 (win7_rtm.090713-1255) | IIS Worker Process/Http.sys Interface |
| w3ext.dll | 72kb. | 6.0.2600.0 (xpclient.010817-1148) | IIS W3ext Module |
| w3ext.dll | 145kb. | 6.0.3790.3959 (srv03_sp2_rtm.070216-1710) | IIS W3ext Module |
| w3isapi.dll | 83kb. | 6.0.3790.4693 (srv03_sp2_qfe.100414-1800) | IIS ISAPI Handler |
| w3scfg.dll | 4kb. | 5.1.2600.0 (xpclient.010817-1148) | iis dummy file |
| w3ssl.dll | 16kb. | 6.0.2600.5512 (xpsp.080413-0852) | SSL service for HTTP |
| w3ssl.dll | 21kb. | 6.0.3790.1830 (srv03_sp1_rtm.050324-1447) | SSL service for HTTP |
| w3svapi.dll | 6kb. | 6.0.2600.0 (xpclient.010817-1148) | W3 Service Client API Stubs |
| w3svc.dll | 356kb. | 5.1.2600.5512 (xpsp.080413-0852) | WWW Service |
| w3tp.dll | 16kb. | 6.0.3790.1830 (srv03_sp1_rtm.050324-1447) | IIS Thread Pool Library |
| w3tp.dll | 20kb. | 7.5.7600.16385 (win7_rtm.090713-1255) | IIS Thread Pool Library |
| w3tp.dll | 16kb. | 7.5.7600.16385 (win7_rtm.090713-1255) | IIS Thread Pool Library |
| w3wphost.dll | 54kb. | 7.5.7601.17514 (win7sp1_rtm.101119-1850) | WAS App Hosting library |
| w3wphost.dll | 60kb. | 7.5.7601.17514 (win7sp1_rtm.101119-1850) | WAS App Hosting library |
| w6to4svc.dll | 98kb. | 5.2.3790.4662 (srv03_sp2_qfe.100210-1307) | Service that offers IPv6 connectivity over an IPv4 network. |
| w95upg.dll | 852kb. | 5.1.2600.5512 (xpsp.080413-2111) | Win95-to-WinNT Migration Dll, Win95 Side |
| w95upgnt.dll | 473kb. | 5.1.2600.5512 (xpsp.080413-2111) | Win95-to-WinNT Migration Dll, WinNT Side |
| w9x_fxsapi.dll | 480kb. | 5.2.3790.3959 (srv03_sp2_rtm.070216-1710) | Microsoft Fax API Support DLL |
| w9x_fxsclntr.dll | 126kb. | 5.2.3790.3959 (srv03_sp2_rtm.070216-1710) | Fax Console Resources |
| w9x_fxsdrv32.dll | 40kb. | 5.2.3790.3959 (srv03_sp2_rtm.070216-1710) | Microsoft Fax 32-bit Printer Driver Extensions |
| w9x_fxsext32.dll | 36kb. | 5.2.3790.3959 (srv03_sp2_rtm.070216-1710) | Microsoft Fax Exchange Command Extension |
| w9x_fxstiff.dll | 378kb. | 5.2.3790.3959 (srv03_sp2_rtm.070216-1710) | Microsoft Fax TIFF library |
| w9x_fxswzrd.dll | 80kb. | 5.2.3790.3959 (srv03_sp2_rtm.070216-1710) | Microsoft Fax Wizard UI |
| w9x_fxsxp32.dll | 396kb. | 5.2.3790.3959 (srv03_sp2_rtm.070216-1710) | Microsoft Fax Transport Provider |