Industrials

Microsoft's 10 Biggest Acquisitions
Microsoft's $8.5 billion buy of Internet communications company Skype is the biggest in its history. Here are some of Microsoft's other high-profile takeovers.

Microsoft CEO Steve Ballmer and Skype CEO Tony Bates Reuters

Microsoft's $8.5 billion buy of internet communications company Skype is the biggest in the technology behemoth's history. Here’s a look at some of Microsoft's other high-profile acquisitions.

Microsoft Hotmail, Slideshow

No. 10: Hotmail

Price: $400 million to $500 million (estimated)

Date: Dec. 31, 1997

Web-based e-mail Provider

Microsoft WebTV Armchair, Slideshow

No. 9: WebTV

Price: $425 Million

Date: April 6, 1997

Early Internet-on-TV company

Microsoft Headquarters

No. 8: Greenfield Online Inc

Price: $486 Million

Date: August 29, 2008

Including price-comparison site Ciao

Reuters

Danger Mobile Steve Ballmer, Slideshow

No. 7: Danger Inc.

Price: $500 Million (estimated)

Date: February 11, 2008

Mobile Software and Services

Microsoft TellMe, Slideshow

No. 6: Tellme Networks, Inc.

Price: $800+ Million (rumored)

Date: March 14, 2007

Voice Technology

Microsoft Dynamics, Slideshow

No. 5: Great Plains Software

Price: $940 Million

Date: December 21, 2000

Accounting Software

Bill Gates & Steve Ballmer Take Questions Reuters

No. 4: FAST Search and Transfer

Price: $1.2 Billion

Date: January 8, 2008

Enterprise Search Specialists

Microsoft Visio, Slideshow

No. 3: Visio

Price: $1.3 Billion

Date: Sept. 15, 1999

Design and Charting Software

Microsoft Navision, Slideshow

No. 2: Navision

Price: $1.45 Billion

Date: May 2, 2002

Accounting Software

Microsoft Booth at CES Reuters

No. 1: aQuantive

Price: $6 Billion

Date: May 18, 2007

Advertising Software and Services

Microsoft's 10 Biggest Acquisitions

Microsoft's $8.5 billion buy of Internet communications company Skype is the biggest in its history. Here are some of Microsoft's other high-profile takeovers.

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