Plugins - word processing, spreadsheets and presentations
This page provides links to manufacturers that offer free viewers for office applications (word processing, spreadsheet and presentation) file formats. Please note that although not interchangeable, both the Corel and Microsoft full office application software suites contain viewing capability for competitive file types. Company home page URLs are provided in case more specific product page URLs change unexpectedly.
The United States Patent and Trademark Office does not necessarily endorse the views expressed or the facts presented on this site. Further, the United States Patent and Trademark Office does not endorse any commercial products that may be advertised or available on this site.
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| Corel Corporation | Corel WordPerfect Office X5 combined word processing [.wp_ files], spreadsheet [not used by USPTO] and presentation [.shw files] package with 30 day trial version |
| Microsoft Corporation | Microsoft Word word processing [.doc] - free viewer |
| Microsoft Excel spreadsheet [.xl_ files] - free viewer | |
| Microsoft PowerPoint presentation [.ppt] - free viewer |
Disclaimer: The United States Patent and Trademark Office provides these links solely for the convenience of members of the public who may need to access documents offered in these formats on our Web site. The USPTO does not endorse these companies' products nor the accuracy of any information presented on their web sites. All brand and product names are trademarks, registered trademarks or service marks of their respective companies.
