Licensing Lifetime License Microsoft Office 2019 Microsoft 365 Microsoft Office Professional 2021 Versions Microsoft Office 2021 Professional Plus Subscription Service Microsoft Office 2019 Professional Plus System Requirements Apps Upgrade Microsoft Office Pro 2019 Microsoft Office Professional Plus 2019 M365 Suite Copilot Mobile App Deals Family Plan Features Pricing Office 2019 2019 Edition Comparison Microsoft Office Versions Microsoft Office Professional 2019 Microsoft Office Applications Subscription Services Outlook SharePoint Comparisons Productivity Applications Lifetime Licenses Connected Experiences Microsoft Office 2021 Compatibility Revenue