2. "The Installer encountered an error that caused the installation to fail"
: For persistent issues, you can use a command in the Terminal application to run the installation. This method provides more detailed feedback. Open Terminal and type the following command, replacing the filename with the exact path to your installer file: microsoft-office-2016-installer.pkg
Hold the key and click (or right-click) on the microsoft-office-2016-installer.pkg file. Select Open from the contextual menu. microsoft-office-2016-installer.pkg
1. "App cannot be opened because it is from an unidentified developer" microsoft-office-2016-installer.pkg