Microsoft CEO Satya Nadella
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This article originally appeared on BusinessInsider.com.

An experiment that involved reducing the workweek by one day led to a 40% boost in productivity in a Microsoft subsidiary in Japan, the technology giant announced last week.

The trial was part of Microsoft's "Work-Life Choice Challenge," a summer project that examined work-life balance and aimed to help boost creativity and productivity by giving employees more flexible working hours.

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Microsoft Japan closed its offices every Friday in August and found that labor productivity increased by 39.9% compared with August 2018, the company said. Full-time employees were given paid leave during the closures.

The company said it also reduced the time spent in meetings by implementing a 30-minute limit and encouraging remote communication.

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Microsoft isn't the first to highlight the productivity benefits of a four-day workweek. Andrew Barnes, the founder of a New Zealand estate-planning firm, Perpetual Garden, said he conducted a similar experiment and found that it benefited both employees and the company, according to CNBC. It has adopted the four-day workweek permanently.

Studies have found there's demand for a shorter workweek. Last year, in a study of nearly 3,000 workers in eight countries by the Workforce Institute at Kronos and Future Workplace, most said their ideal workweek would be four days or less.

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It's not just the employees who benefited from Microsoft's four-day-workweek experiment — Microsoft found that it helped preserve electricity and office resources as well. The number of pages printed decreased by 58.7%, while electricity consumption was down by 23.1% compared with August 2018, the company said.

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