Microsoft 365 Tenant Setup & Configuration

A poorly configured Microsoft 365 tenant is one of the most common sources of security vulnerabilities for small and mid-sized businesses. Default settings are not the same as secure settings — and without a proper initial setup, organizations end up with misconfigured mail flow rules, weak authentication policies, uncontrolled external sharing, and security gaps that accumulate over time.

We handle Microsoft 365 tenant setups for new businesses and organizations moving to Microsoft 365 for the first time — building your environment correctly from day one using Microsoft's recommended best practices, so you're not spending the next few years trying to clean up a rushed deployment.

Note: This is a one-time project service, not an ongoing managed service. For ongoing administration after setup, see Microsoft 365 Management & Licensing.

Who Is This Service For?

New businesses setting up Microsoft 365 for the first time
Organizations migrating to Microsoft 365 who want the environment built properly before migration begins
Businesses that set up Microsoft 365 themselves and suspect it wasn't done correctly
Companies whose IT provider set up their tenant but never followed Microsoft's baseline security recommendations

What's Included

Domain & DNS Configuration

Domain verification and DNS record setup
SPF, DKIM, and DMARC configuration for email authentication
MX record configuration for proper mail flow

Security Baseline Configuration

Multi-Factor Authentication (MFA) enforcement
Security defaults or Conditional Access policy setup
Microsoft Secure Score review and baseline improvements
Legacy authentication blocking

Exchange Online Configuration

Mail flow rules and transport settings
Anti-spam and anti-malware policy review
Shared mailbox and resource mailbox setup
Distribution list configuration

SharePoint & OneDrive Baseline

External sharing policy configuration
OneDrive sync settings and retention policy review
Basic SharePoint admin centre configuration

Microsoft Teams Configuration

Guest access and external access policy setup
Meeting policy and recording settings
Teams creation and management policies

User & License Setup

Initial user account creation
License assignment and verification
Admin role assignment and least-privilege review

Recommended Add-Ons

A properly configured tenant is the foundation — these services keep it secure and well-managed going forward:

Microsoft 365 Management & Licensing

Ongoing administration and licensing support so your properly configured tenant stays that way.

Identity Threat Detection & Response (ITDR)

Monitors your Microsoft 365 identities for compromise once your environment is live.

Email Filtering & Security Awareness Training

Adds a dedicated email security layer on top of your properly configured tenant.

Why Choose Artemis & Apollo?

Microsoft 365 tenant setup for Canadian businesses
Built to Microsoft's recommended security baselines, not default settings
Structured delivery with clear documentation of what was configured and why
Fixed project pricing — no surprises