Microsoft Office 2011 14.5.0 Apr 2026

Microsoft quickly addressed this issue by releasing the 14.5.1 update a couple of weeks later to restore full Outlook functionality. 🔒 Key Security Fixes

⏳ Microsoft officially ended all support for Office for Mac 2011 on October 10, 2017 . Microsoft Office 2011 14.5.0

was a security update released by Microsoft on May 12, 2015. It was a critical update that patched major remote code execution vulnerabilities, but it became notorious among users for introducing a severe bug in Outlook. ⚠️ The Infamous Outlook Bug Microsoft quickly addressed this issue by releasing the 14