Professional Email and Microsoft 365 comparison
After moving from Professional Email to Microsoft 365, compare features to better understand what’s available with your new email plan.
Comparison by feature category
Email basics
Email basics
- Domain-based email: ✓ Both products
- Webmail: ✓ Both products
- Email aliases: ✓ Both products, up to 400
- Forwarding: ✓ Both products
- Archive email folder: ✓ Both products
- Catch-all email: Professional Email (Yes) | Microsoft 365 (No)
- Device syncing: ✓ Both products
- Uptime guarantee: 99.9% for both
Storage and protocols
Storage and protocols
- Storage: Professional Email (10–30 GB) | Microsoft 365 (10-100 GB)
- Email protocols: Professional Email (POP/IMAP) | Microsoft 365 (Microsoft Exchange, POP/IMAP not supported in some clients)
Security and compliance
Security and compliance
- Security and spam filtering: ✓ Both products
- Email archiving add-on: Professional Email (No) | Microsoft 365 (Yes, with Premium Security plans or purchase)
- HIPAA-compliant add-on: Professional Email (No) | Microsoft 365 (Yes, with Business Professional or Premium Security plans or purchase)
- Advanced Email Security add-on: Professional Email (No) | Microsoft 365 (Yes)
- Additional add-ons: Professional Email (No) | Microsoft 365 (Advanced Email Security, Archiving, Backup, HIPAA compliance)
Collaboration features
Collaboration features
- Calendar, contacts and tasks: Professional Email (Yes, only Teams plans are shareable) | Microsoft 365 (Yes, shareable)
- Shared calendars: Professional Email (Team only) | Microsoft 365 (Yes)
- Shared mailboxes: Professional Email (Team only) | Microsoft 365 (Yes)
Productivity and Office apps
Productivity and Office apps
- Office apps included: Professional Email (No) | Microsoft 365 (Yes, with Business Professional or higher plans)
- Office online/web apps: Professional Email (No) | Microsoft 365 (Yes, with Online Business Essentials plans or higher)
- Cloud storage: Professional Email (Yes) | Microsoft 365 (Yes)
- Additional Microsoft apps: Professional Email (No) | Microsoft 365 (Available for purchase: Copilot, Defender, Planner, Power BI, Visio)