# Determine a Document Reader

The entries in the initialization file or the Windows registry list each format's coded value, and the reader used to parse that format. For example, the entry below specifies that a Lotus 1-2-3 Spreadsheet file version 9.0 is parsed by the Lotus 1-2-3 reader, `l123sr.dll`:

`81.2.0.9.0=l123sr.dll`

List of Files Required for Redistribution lists the document readers provided with KeyView.

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