David Chen, the Vice President of Microsoft was questioned and the company was given a deadline to offer an explanation, the State Administration for Industry and Commerce informed in a short statement.
The agency repeated that it believes that Microsoft has not disclosed issued relating to the compatibility of software and Operating system completely.
In a statement on its web site, the SAIC said "[A] special investigation team conducted an anti-monopoly investigation inquiry with Microsoft Vice President Chen Shi (David Chen), and required that Microsoft make a written explanation within 20 days."
"Serious about complying with China's laws and committed to addressing SAIC's questions and concerns" said Microsoft in a statement.
As the government of china is now willing to enforce its six- year old antitrust law, about 30 foreign companies including Microsoft have come under scrutiny by the anti-monopoly regulators. Critics believe that the law is being used for targeting overseas businesses unfairly. However, the regulators completely deny the charge.
Derek Aberle, the company president of Qualcomm led a delegation who met the officials at the National Development and Reform Commission last month. The meeting was a part of the regulator?s investigation of the firm. NDRC had mentioned earlier that Qualcomm is suspected of abusing its market position in wireless communication standards and overcharging. Later this month, Satya Nadella of Microsoft will be going to China.