Updated: July 24, 2020 (March 18, 2019)
Charts & IllustrationsOffice Technical Differences
Office 365 ProPlus will maintain compatibility with Office 365 services longer and deliver new features to users first, but Office 2019 Professional Plus can provide other benefits, such as downgrade rights.
| Office 365 ProPlus | Office 2019 Professional Plus | |
| Media | Click-To-Run (CTR/C2R) | Click-To-Run (CTR/C2R) but upgradeable from previous Windows Installer (MSI) versions |
| Activation | Office Licensing Service (OLS) per user or Shared Computer configuration | Key Management Service (KMS), Multiple Activation Key (MAK), Active Directory |
| Version release pattern and support | Twice per year, 18-month supported life | Every two to three years, seven- to 10-year supported life |
| Compatibility with Office 365 services | While version supported | While version in Mainstream support (ends Oct. 2023) |
| Features | Latest features and protocols | No new features or protocols since Oct. 2018 release |
| Install customization |
Atlas Members have full access
Get access to this and thousands of other unbiased analyses, roadmaps, decision kits, infographics, reference guides, and more, all included with membership. Comprehensive access to the most in-depth and unbiased expertise for Microsoft enterprise decision-making is waiting.
Membership OptionsAlready have an account? Login Now