If you're experiencing compatibility issues with Microsoft Office 2010 on Mac OS Sierra, consider the following alternatives:

To run this version on macOS Sierra, your hardware must meet these minimums: Microsoft Office 2010 - Download

This version is fully supported on Sierra and provides a more modern interface. Microsoft Office 2019 (Build 16.29.1):

: Fully compatible with macOS Sierra. However, official support ended in 2017, meaning it no longer receives security updates.