Wyoming Department of Revenue

Wyoming Internet Filing
System (WYIFS)

Governor Matt Mead
Welcome to the Wyoming Internet Filing System.
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Tip - If you are receiving an error that Windows Can't open this file: ReportDetail().aspx and to use the Web service to find the correct program please Launch Chrome and in the search / URL bar enter: chrome://settings/content, scroll down to the "PDF Document" and click on the Arrow on the right. Ensure that "Download PDF files instead of automatically opening them in Chrome" is OFF. To the left (Grey is OFF and to the Right (Blue) is ON).