Apple has released macOS Sonoma. Following its release, Apple have dropped support for macOS Big Sur (11). All users running macOS Big Sur are encouraged to upgrade to one of the following supported operating systems:

The latest supported versions provide you with the best experience for Office 365 as well as macOS security updates so are important in ensuring the integrity of Imperial systems. 

Microsoft Office 365 is fully supported on macOS. Microsoft recommends being on one of the last 3 versions of macOS. If you are not on one of these versions Office will not receive any updates or security patches so you are advised to upgrade your OS. Please see Microsoft's help pages for more information.

Before you upgrade

Backup any important files to OneDrive for Business or if it is research data to the Research Data Store

If if its a MacBook make sure it is connected to a power supply. Make sure you have enough space on the hard drive for the upgrade. 

NOTE: If you do not have admin rights on your machine or are uncertain about how best to go about upgrading, please contact the ICT Service Desk who will be able to provide support.

Updating your Mac

An Imperial guide to keeping your Mac laptop secure and up-to-date

How to update your macOS?

Your Mac should keep itself updated automatically, however, you can manually check for updates by going to the Apple menu, then click Software  Update to check for updates.

Apple’s support pages provide detailed instructions on how to keep your Mac up to date. 

If you're unable to upgrade to one of the three most recent versions of macOS, please contact the ICT Service Desk for guidance.