Buying a Microsoft Office license generally falls into two categories: a or a one-time purchase (Office 2021/2024) . 1. Choose Your License Type Microsoft 365 (Subscription) Office 2021/2024 (One-Time) Payment Monthly or yearly fee Single upfront payment Updates Always includes latest features Security updates only; no new features Devices Up to 5 devices simultaneously 1 PC or Mac only Cloud Storage 1 TB OneDrive storage per user No extra cloud storage Apps Word, Excel, PowerPoint, Outlook, OneNote, etc. Varies (e.g., Home & Student lacks Outlook) 2. Select a Plan Go to product viewer dialog for this item. Microsoft Office 2021 Home & Student