# Determine Format Support

After the file format is extracted, the detection module uses the `formats.ini` file to determine whether the format is supported by KeyView, and the appropriate structured access layer and reader to load.

The `formats.ini` file is in the directory `install\OS\bin`, where `install` is the path name of the Filter installation directory and `OS` is the name of the operating system. It contains 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.
- Configuration parameters.
- Locale settings for internal use.

## Example formats.ini file entries

    123=mw
    152=xyw
    178=wp6
    189=mw6
    2=af
    200=pdf
    205=mb
    210=htm
    251=htm

NOTE: The `formats.ini` file 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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