Version 16.66 is now the recommended build for macOS users. This release provides essential stability improvements for enterprise environments. Improved compatibility with the latest macOS versions. Enhanced stability for shared mailboxes. Standard security hardening for Microsoft 365.
The latest update for macOS users focuses on performance and reliability. If you’re looking for a smoother experience while managing heavy inboxes, this is the version for you. Microsoft Outlook v16.66
✨ If you're on a newer Mac with an M1/M2/M3 chip, this version ensures Outlook runs natively for maximum speed. Version 16
Seamless performance on Intel and Apple Silicon chips. Enhanced stability for shared mailboxes
The "New Outlook" UI is more refined than ever. Pair it with the latest macOS features for: Stay on track without constant pinging. Improved Search: Find that "missing" email in seconds.