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It's my pleasure to walk you through the steps, @wmaffucci.
You'll have to close your books first for FY 7/1/16-6/30/17 to record your transactions for the next fiscal year.
Then, you can change the fiscal year in QuickBooks by following the steps below.
Once done, you can check any reports to verify if the updated fiscal date will appear and correct.
Please check this article to know more about the important task that needs to complete for the upcoming year-end: QuickBooks year-end guide.
I'll be more than happy to share additional insight and help whenever you need one. Please leave a comment below. Have a good day.