Microsoft 365 Calendar

CLI tool for Microsoft 365 Calendar via Microsoft Graph API.

Setup

Uses the same client/tenant from m365mail. Just authenticate with calendar scope:

# Authenticate (device code flow)
m365cal auth

If you haven't set up m365mail yet, do that first — the calendar tool shares its config.

Required Permissions

In your Entra ID app, add these Graph permissions:

• Calendars.ReadWrite (delegated)