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eFS Communications Archive

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Firefox No Longer Supporting Silverlight

Posted: Tuesday, May 31, 2016

The purpose of this communication is to notify you that effective May 31, 2016, Mozilla Firefox will no longer support websites that use Silverlight.  This includes the current eFile & eServe (eFS) website.  Minnesota filers are encouraged to use a compatible web browser to eFile and eServe.  If filers are unable to use Internet Explorer, they may access the eFS portal through HTML5.
To see a full list of compatible browsers and operating systems with Silverlight, please visit Microsoft’s website:, then click on the “System Requirements” tab.