By default the PRS Document Indexer indexes all indexable documents (Microsoft Word, PDF, HTML, ODF and text). You can restrict the documents that are indexed by adding an IndexedDocs entry to the [Main] section of the prs_data.ini file (which resides in the PRS Shared Data folder). The following example only indexes Word and PDF documents.
IndexedDocs=*.doc|*.docx|*.pdf
IndexedDocs is a list of file name wildcards separated by | characters. Similarly the ExcludedDocs entry can be used to exclude documents from indexing. The following example excludes file names beginning with a tilde character:
ExcludedDocs=~*.*