Skype for Business will be available for Mac in 2016. Releases for old Mac OS X systems (through Mac OS X 10.5) and PowerPC Macs can be found in the old directory.ĭownload Microsoft Office for Mac 2011 14.5.2 Update from Official Microsoft Download Center Microsoft 365 Premium Office apps, extra cloud storage, advanced security, and more-all in one convenient subscription. Mac OS 8.6 to 9.2 (and Mac OS X 10.1) are no longer supported but you can find the last supported release of R for these systems (which is R 1.7.1) here. This directory contains binaries for a base distribution and packages to run on Mac OS X (release 10.6 and above).