This identifier contains a list of Multipurpose Internet Mail Extensions (MIME) file extension associations. This information is used by the computer to determine what applications are capable of processing or viewing a given document type. Each string in the list specifies the MIME type, and the file extension that is associated with that type. The string format for each entry is MIMEType, Extension.
| Data type | MULTI_SZ |
| Default inheritance | Inheritable |
| User type | IIS_MD_UT_FILE |
This identifier is available at the following metabase keys:
| Metabase Path | Key Type |
|---|---|
| /LM | IIsComputer |
| /LM/MimeMap | IIsMimeMap |
| /LM/W3SVC | IIsWebService |
| /LM/W3SVC/n | IIsWebServer |
| /LM/W3SVC/n/ROOT | IIsWebVirtualDir |
| /LM/W3SVC/n/ROOT/WebVirtualDir | IIsWebVirtualDir |
| /LM/W3SVC/n/ROOT/WebVirtualDir/WebDirectory | IIsWebDirectory |
| /LM/W3SVC/n/ROOT/WebVirtualDir/WebDirectory/WebFile | IIsWebFile |
The /LM/MimeMap key establishes the default values for the machine. These default values can be overriden at the service or server level.