The LSN File Viewer Help web site does not constitute or imply endorsement, recommendation, or favor of any specific manufacturer, commercial product, services of trade name, or trademark.  LSN is not responsible for any of the listed software application tools, and the pages and links listed may change without our knowledge.

The LSN document collection consists of different file types. If your browser is unable to open a file, you may benefit from downloading and installing one of the following plug-in applications or viewer software. This page contains a list of the different file types by Source used in the LSN system.

To obtain a viewer, select a link, read the site disclaimer, and follow the online instructions for downloading and installing the application.

Source

The term Source refers to the LSN program participant providing the document found by an LSN search engine. Participants are responsible for their own document collections. On the results page, the Source indicates which participant supplied the document. Listed below are the source values and the type of images and text files encountered in the document collections.

HyperText Markup Language (HTML)

HTML is the native language of the World Wide Web (www). Your web browser should allow you to view the file without any problem. HTML is a standard ASCII file with embedded commands for specifying file presentation format.

Tagged Image File Format (TIFF)

TIFF image specifications were developed by Aldus Corporation to store machine readable bitmap files created from scanned printed documents. To test your computer for the TIFF plug-in, click here.   To download a TIFF viewer, click here.

Adobe Portable Document Format (PDF)

Adobe PDF files are a compressed file format that preserves all of the original text, graphics, and format attributes of a file for viewing and printing. To test your computer for the PDF plug-in, click here.   To download a PDF plug-in, click here.

Microsoft Word

Microsoft Word is a document and text editor that uses the file extension .doc. To view a Word document, you need to use the Word software or other document editor that can read and convert Word documents, or you can install the free Microsoft Word viewer. To download the viewer, click here.

Microsoft Powerpoint

Microsoft Powerpoint is a slide presentation application that uses the file extension .ppt. To view a Powerpoint presentation, you need the Powerpoint software or other slide presentation software that can read Powerpoint. To download and install the free Microsoft Powerpoint viewer, click here.

Microsoft Excel

Microsoft Excel is a spreadsheet software application that uses the file extension .xls. To view an Excel spreadsheet, you need to use Microsoft Excel or other spreadsheet application that can convert and read an Excel document. To download and install a free Excel viewer, click here.

GIF, JPG, JPEG and PNG

These file types are graphical formats supported by most graphical web browsers. In most instances, no additional software or configuration is required.

ASCII (American Standard Code for Information Interchange)

ASCII files are created using standard binary character combinations. The files are commonly called text files. The text file viewer in your web browser loads ASCII files, and no special configuration is required.