# Core Files

The following core files can be redistributed with your application.

File | Description
--- | ---
`formats.ini` | Initialization file. For more information on this file, see Determine Format Support.
`FilterDotNet.*` | The .NET API.
`filterfordotnet.dll` | Required by the .NET API.
`KeyView.jar` | The Java API. NOTE: This file can be found at the path `install/javaapi/KeyView.jar` where `install` is the Filter SDK installation directory.
`*KeyViewFilter.*` | Required by the Java API.
`kpifcnvt.*` | For presentation graphics, converts from one picture format to another.
`kpifutil.*` | Utility for handling the internal picture interchange format for presentation graphics.
`kvfilter_nsl.*` | (AIX platforms only.) Alternative Filter API implementation using POSIX standards for starting new processes. See The Filter Process Model.
`kvxtract.*` | File Extraction API.
`kvfilter.*` | Filter API.
`kvolefio.*` | Embedded OLE object writer.
`kvutil.*` | Internal KeyView utility functions.
`kvxpgsa.*` | Interface between presentation readers and `kvfilter`. Required to extract metadata from AutoCAD files.
`kvxsssa.*` | Interface between spreadsheet readers and `kvfilter`.
`kvxwpsa.*` | Interface between word processing readers and `kvfilter`.
`kvzip.*` | Zip writer.
`kwad.*` | File auto-recognition module.
`txtcnv.*` | Converter for document token stream.
`vcredist\` | (Windows platforms only) Microsoft Visual C++ Redistributable Packages. NOTE: This folder can be found in the Filter SDK installation directory.

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