| Feature | Pro Plus 20212024 v2412 | Microsoft 365 | | :--- | :--- | :--- | | | One-time purchase | Monthly/annual subscription | | Cloud Storage | 5GB OneDrive free | 1TB per user | | Copilot AI | No (uses local Smart Compose) | Yes (full cloud AI) | | Real-time Co-authoring | Yes (local/OneDrive) | Yes (advanced) | | Support Lifecycle | 5 years (mainstream) + 2 years extended | Continuous updates | | Device Limit | 1 PC/Mac | 5 devices per user |
: Addressed critical issues where apps would exit unexpectedly, specifically on Windows Server environments. Sensitivity Labels
The "v2412" designation means this software includes all features and security patches released up to December 2024. This is significant because it includes several features that were missing from the initial launch of Office 2021: