Exchange Online

Product

The cloud email, calendar and contacts service in Microsoft 365. Outlook connects to it, and mail flow rules, anti-phishing and retention policies are managed around it.

Sessions on this topic (4)

• Microsoft 365 Tenant-to-Tenant Migrations: Critical Decisions and Lessons from the Field · Peter Schmidt · M365Con 2027
• Custom Domains in Microsoft 365: Beyond Email — Identity, Security & Trust · Nsikan Ikpe · M365Con 2027
• Microsoft 365 Tenant-to-Tenant Migrations: Critical Decisions and Lessons from the Field · Peter Schmidt · M365Con 2027
• Custom Domains in Microsoft 365: Beyond Email — Identity, Security & Trust · Nsikan Ikpe · M365Con 2027

Glossary

Related topics in brief

• Microsoft · Developed by · Organization
  Microsoft Corporation is a technology company that develops software and cloud services such as Microsoft 365, Azure and Dynamics 365.
• Microsoft tool · Is a · Category
  A software product or service developed by Microsoft.
• Collaboration tool · Is a · Category
  A tool for communication, meetings and working together on files.
• Microsoft 365 · Part of · Platform
  Microsoft 365 is a subscription bundle of productivity apps and cloud services, including Word, Excel, Outlook, Teams, SharePoint and OneDrive.
• Microsoft Outlook · Related to · Product
  Email, calendar, contacts and tasks client of Microsoft 365 that connects to Exchange Online and other mail accounts.
• Outlook on the web · Related to · Product
  Browser version of Outlook for mail, calendar and contacts, hosted by Exchange Online.
• Microsoft Bookings · Related to · Product
  Appointment scheduling tool with a public booking page that checks Outlook calendars and sends confirmations.
• Tenant-to-tenant migration · Related to · Concept
  Moving users, mailboxes, files, Teams and settings from one Microsoft 365 tenant to another, for example after a merger or divestiture.
• Custom domain in Microsoft 365 · Related to · Concept
  Own DNS domain verified in Microsoft 365 and used for email addresses, sign-in names and branding, with SPF, DKIM and DMARC records for trust.
• Nsikan Ikpe · Related to · Person
  Nsikan Ikpe is a speaker at M365Con 2027 (IT Consultant & Training Coordinator at AfriMine) with 1 session.
• Peter Schmidt · Related to · Person
  Peter Schmidt is a speaker at M365Con 2027 (Cloud Security Architect at NeoConsulting) with 1 session.
• Microsoft 365 Certified: Fundamentals (MS-900) · Covered by · Certification
  Entry-level Microsoft 365 fundamentals exam. Retired on 31 March 2026; Microsoft plans no direct replacement (see AB-900 for Copilot and agent administration).
• Microsoft 365 Certified: Administrator Expert (MS-102) · Covered by · Certification
  Expert certification for administering Microsoft 365 tenants, identity, security and compliance. The exam is scheduled to retire on 30 November 2026.

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