Microsoft-office-2016-installer.pkg Today
microsoft-office-2016-installer.pkg is the standard Apple macOS installer package used to deploy Microsoft Office 2016
Navigate the Wizard: Click Continue on the introduction screen. Review and Agree to the Software License Agreement. microsoft-office-2016-installer.pkg
Users frequently encounter security-related roadblocks during the installation process due to the age of the software's digital signature. 2.1 "Unidentified Developer" Errors microsoft-office-2016-installer
But here is the dirty secret: The 2016 installer was broken for the first six months. It didn't properly handle System Integrity Protection (SIP), which Apple introduced in 2015. You often had to disable SIP, run the installer, then re-enable SIP. That is the equivalent of disabling your home alarm to change a lightbulb. unsigned or stale-signed package.
- Authenticity: Only install packages from Microsoft or trusted channels. Official Office for Mac installers are signed by Microsoft with Apple Developer Installer certificates. macOS Gatekeeper validates signatures; unsigned or tampered .pkg files should be rejected.
- Integrity: Check digital signature and package checksum. In Terminal, use:
on Apple computers. This package is typically a "bundle" containing the core suite applications—Word, Excel, PowerPoint, Outlook, and OneNote—along with shared resources and licensing frameworks. Microsoft Learn System Compatibility & Technical Context Operating Systems : It is officially designed for OS X Yosemite (10.10) macOS Mojave (10.14) Architecture Change
Destination Select: Choose the hard drive where you want to install the applications.
Error 1: “microsoft-office-2016-installer.pkg” can’t be opened because Apple cannot check it for malicious software.
Cause: macOS Gatekeeper is blocking the older, unsigned or stale-signed package.