but the two companies also have a long history as frenemies. Here are their 10 greatest collaborations.
10. Microsoft launches Outlook for Mac in Office 2011
9. Apple and Microsoft spurn Blu-ray for digital downloads
8. Apple makes Safari available for Windows
7. Snow Leopard connects to Exchange
6. Boot Camp installs Windows on Mac hardware
5. Microsoft licenses Exchange Activesync for iPhone
4. Microsoft invests $150 million in Apple
3. Internet Explorer becomes the default browser on Mac
2. Apple makes iPod compatible with Windows
1. Microsoft develops Word for the original Macintosh