Plan browser support (SharePoint Server 2010)

Punch Line : Before starting a project in SharePoint 2010 make sure about the browsers that users in the company are using.

Browser	Supported	Supported with limitations	Not tested
Internet Explorer 9 (32-bit)	X
Internet Explorer 8 (32-bit)	X
Internet Explorer 7 (32-bit)	X
Internet Explorer 9 (64-bit)		X
Internet Explorer 8 (64-bit)		X
Internet Explorer 7 (64-bit)		X
Internet Explorer 6 (32-bit)			X
Mozilla Firefox 3.6 (on Windows operating systems)		X
Mozilla Firefox 3.6 (on non-Windows operating systems)		X
Safari 4.04 (on non-Windows operating systems)		X

Bottom Line : Never use SharePoint 2010 on IE6.