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Microsoft Office’s new Fluent Design overhaul makes it easier to use  The VergeMicrosoft to give Office 365, Office.com apps a makeover  ZDNetMicrosoft gives Office a refreshed look and feel  TechCrunchFull coverage

Source: https://www.theverge.com/2018/6/13/17457800/microsoft-office-fluent-design-simplified-ribbon-office-365