With its new Digital Advertising Solutions, Microsoft will deliver companies' ads to Windows Live, Xbox Live, Office Online, Live Search and MSN users via computers, smart phones, handheld computers and Xbox game consoles.
"As today's consumers spend more and more time online across various digital devices like mobile phones and video games, advertisers are finding they can no longer reach their entire target audience by advertising on a single medium," Joanne Bradford, Microsoft's vice president of global sales, said in a statement.
The software giant hopes to use thisto and to bolster its competitive stance against rivals Google and .
Earlier this year, Microsoft, which delivers ads to video games. And last year, it , to take on Google's AdWords.