An official website of the United States government

Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Download plug-ins

Some content on our website may require “plug-ins” to view. Plug-ins work with your browser to provide viewing capability the browser may not otherwise have. Most software vendors offer versions of their plug-ins for each computer platform type.

For your convenience, we have listed the most common plug-ins that may be used on the website along with links to the vendor sites where they can be obtained. These links do not indicate an endorsement of the products and are provided merely for convenience. Questions on use or installation should be directed to the respective vendor.

Portable Document Format (*.pdf)Files with this extension require a PDF viewer. You can download and find guidance on how to install and use it from the Adobe website.
Excel (*.xlsx)Use the free Excel Online app to open, view and print Excel workbooks.
PowerPoint (*.pptx)Use the free PowerPoint Online app to view full-featured PowerPoint presentations.
Word (*.docx)Use the free Word Online app to view, print and copy Word documents.
Zip (*.zip)Zip files are single files, sometimes called "archives," that contain one or more compressed files. Files with this extension require a compression utility application to open and extract them. Windows 10 and MacOS users do not require additional software to open and extract Zip files.