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Windows TIFF IFilter Overview

Applies To: Windows Server 2008 R2

Windows TIFF IFilter enables you to search for Tagged Image File Format (TIFF) documents based on text content. Windows TIFF IFilter supports all TIFF documents that are complaint with Adobe TIFF Revision 6.0 specifications, and includes the most frequent compressions, such as LZW, JPG, CCITT v4, CCITT v6, uncompressed, and so forth.

When loaded, Windows TIFF IFilter performs Optical Character Recognition (OCR) processing of TIFF images, and then provides the recognized text to the caller for building the search index.

Windows TIFF IFilter can be used by Indexing Service (for Desktop Search), Microsoft Office SharePoint Server 2007 or later, Microsoft SQL Server 2008, and Microsoft SQL Server 2005.

Search result considerations

Windows TIFF IFilter focuses on text-based documents, which means that searching will be more successful for documents that contain clearly identifiable text (for example, black text on a white background), and less successful for documents that contain mixed content (for example, artistic text or text inside of pictures). Additionally, low-quality images and mixed languages can negatively impact OCR processing, and consequently, lower the quality of the search results.

Installing Windows TIFF IFilter

noteNote
The following procedure installs Windows TIFF IFilter, but does not enable the Indexing Service. For instructions about how to enable the Indexing Service on Windows Server 2008 R2, see the Indexing Service documentation. If you are using Windows TIFF IFilter with Microsoft SharePoint 2007 or later, Microsoft SQL Server 2008 or Microsoft SQL Server 2005, see the product documentation for information about how to deploy Windows TIFF IFilter.

To install Windows TIFF IFilter on Windows 2008 R2
  1. Click Start, and then, in Search programs and files, type Server Manager.

  2. In Programs, click Server Manager.

  3. Click Features, and then click Add Features.

  4. Select Windows TIFF IFilter, and then click Next.

  5. Click Install.

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