# Determine Format Support

After the file format is extracted, the detection module then uses an initialization file (`kvsdk.ini`) or the Windows registry to determine whether the format is supported by KeyView, and the appropriate structured access layer and reader to load. See View Initialization Information for more information.

The initialization file and Windows registry contain the following information:

- Coded format information. To translate this information, see Translate Format Information.

- The reader associated with each format. See Determine a Document Reader.

- Initialization information. See View Initialization Information.

Below are some entries from the initialization file:

    153=afsr.dll
    207=afsr.dll
    210=htmsr.dll
    251=htmsr.dll
    296=htmsr.dll
    282=foliosr.dll

The information in the initialization file and Windows registry applies to all formats except graphics. Detection of graphics formats is handled by an internal module named KeyView Picture Interchange Format (KPIF).

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