Google has lodged a formal antitrust complaint related to Microsoft’s commercial practices in the cloud-computing industry. The search giant looks to be hoping that the European Union might help it shake up the sector.

Microsoft is facing antitrust accusations filed by tech rival Google with the European Commission that allege Microsoft made customers pay extra to run Windows on its competitors' cloud platforms.

BRUSSELS, Sept 25 (Reuters) - Alphabet (GOOGL.O) unit Google filed a complaint to the European Commission on Wednesday against what it said were Microsoft's (MSFT.O) anti-competitive practices to lock customers into Microsoft's cloud platform Azure.