Integrating with Microsoft 365

Connect Outlook and Microsoft 365 to sync emails and calendar events into your CRM.

Setup Guide
Updated Sep 25, 20267 min readBy Sebastian Streiffert

Frequently asked questions

Can I connect a personal Outlook.com or Hotmail account?

No. Only Microsoft 365 work or school accounts can connect. Microsoft refuses personal accounts at sign-in.

Why does Microsoft say I need admin approval?

Your organization does not let people approve apps themselves. Ask your Microsoft 365 admin to approve Lumenbase in Microsoft Entra ID, then connect again.

How far back does Outlook email sync?

To 30 days before the day you connected. The first import reads at most the 2,000 newest messages in that window, and there is no setting to reach further back.

Why are new Outlook meetings not showing up?

The Outlook calendar syncs only while Lumenbase is open in a browser tab: every 10 minutes, or when you press Sync now. It reads your default calendar from 7 days back to 30 days ahead, at most 100 events.

Do changes to an Outlook meeting update Lumenbase?

No. Once a meeting is in Lumenbase, later changes and cancellations in Outlook are not applied to it.

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