Barnes & Noble's Nook store closing outside of the US and UK

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It's no secret that Barnes & Noble has struggled to profit from its Nook reading platform. Still, there are people who continue to use and invest in the ecosystem, despite the rise of others including Amazon's Kindle. Now, after ending its "strategic partnership" with Microsoft last year, the retailer appears to be preparing to close the Nook store outside of the US and UK -- something that relied on Windows support across Europe. According to an email obtained by The Digital Reader, Barnes & Noble has informed international customers that, on August 7th, it will remove their content from Windows machines and start providing refunds.

"This means that your Nook content can no longer open on a Windows platform," said the company in the email to users, which you can read in full below.

Dear Customer,

We recently announced that Barnes & Noble and Microsoft have agreed to terminate their commercial partnership. As a result, payments through your Microsoft account no longer supported. In addition, the NOOK App for Windows will from August 7, 2015 are no longer available outside the United States. This means that your NOOK content can no longer open on a Windows platform.

Our records indicate that you are outside the United States and that you are using your Microsoft account as a payment method in your NOOK App for Windows account. Therefore, you may be eligible for a refund from Microsoft for any purchases you have made with your Microsoft account.

"We continue to operate our Nook business in the UK. However, we no longer have a commercial partnership with Microsoft, and, as a result, we are transitioning away from our international business, based in Luxembourg," a Barnes & Noble spokesperson told Engadget about the current situation. "As we no longer have a commercial partnership with Microsoft, the Win 8 app won't be available in the international markets."

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