🔍 Quick Comparison: Office 2021 vs Office 2024 Feature Office 2021 Office 2024 Release Year 2021 2024 Purchase Model One-time purchase only One-time + Microsoft 365 subscription AI-Powered Tools No Yes – AI grammar, design, and analysis Cloud Integration Basic (OneDrive, Teams) Advanced (Teams, SharePoint, OneDrive) Real-Time Collaboration Limited Improved co-authoring and sync Updates &…