Professional Contractor Courses by 811 Pro

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What are the recommended browsers to complete this training?

The 811 Pro Training is compatible with the following browsers:
  • Google Chrome 11 or higher
  • Firefox 11 or higher
  • Microsoft Edge
  • Safari 6 or higher, or
  • Internet Explorer 11.0 or higher

I received an error code "Missing Key"

If you are taking the Professional Excavator Course by 811 Pro on an iPhone or iPad, please ensure your cookies are disabled on your Safari App.  We recommend using Safari on any Apple device versus another browser app (such as Chrome or Firefox).  
Follow the below instructions to disable cookies.
On your iPhone or iPad:
Select Settings
Select Safari
Under PRIVACY & SECURITY make sure the below are "unchecked":
Prevent Cross-Site Tracking
Block All Cookies

How can I contact Support?

Please contact for any questions.