( Office 365 or Office 2019 ) Support Ended for the following versions of Outlook For Mac Although a fix for Outlook 2011 maybe forthcoming, neither Microsoft nor Apple seems to be in a hurry to fix the issue and instead, recommend upgrading Office to the latest versions. This has also been reported in blogs and the press, Office 2016 for Mac, macOS Sierra potential crash issues. The IT Guys have experienced corrupt Outlook databases and other compatibility issues, slowness, SWOD, hanging and crashes on client Macs running superseded versions of Office for Mac. Office 2019/Office 365 Pricing and Products Explained The IT Guys strongly recommend our clients update to Office 365/2019 ASAP. Running older expired versions of Office for Mac (2011, 2008, 2004 etc) is becoming ever more problematic, especially if you want to upgrade to the latest Mac operating Systems ….