Setting Up Microsoft 365 for Your Small Business
What Microsoft 365 gives your business
Microsoft 365 can provide business email, Teams, OneDrive, SharePoint, Office apps, device security, and account management. The best setup depends on how many staff you have and how sensitive your data is.
Step 1: Choose the right plan
Most small businesses start with one of these:
| Plan type | Best for |
|---|---|
| Business Basic | Email, Teams, OneDrive, and web Office apps |
| Business Standard | Basic features plus desktop Office apps |
| Business Premium | Security, device management, and better controls |
If staff use company laptops and handle customer or financial data, Business Premium is usually worth considering.
Step 2: Prepare your domain
You will need access to your domain DNS. Microsoft 365 normally requires records for:
- MX for mail delivery
- TXT for domain verification
- SPF to reduce spoofing
- DKIM for mail authentication
- Autodiscover for Outlook setup
Do not change MX records until you are ready to move mail, or new email may start arriving in Microsoft 365 before mailboxes are ready.
Step 3: Create users and mailboxes
Create one user per person. Avoid shared passwords. For shared addresses like info@ or accounts@, use shared mailboxes where possible.
Recommended baseline:
- One named account per user
- Shared mailboxes for shared addresses
- Groups or Teams for departments
- Multi-factor authentication for everyone
Step 4: Secure the tenant
Before using Microsoft 365 live, enable:
- Multi-factor authentication
- Self-service password reset
- Strong admin account separation
- Anti-phishing and anti-spam policies
- Audit logging
For admin accounts, use separate admin-only accounts rather than giving daily-use mailboxes permanent global admin rights.
Step 5: Migrate email
Small migrations can often be done from IMAP. Larger or business-critical migrations should be planned to avoid duplicate mail, missed folders, or unexpected downtime.
Before cutover, confirm:
- Current mailbox sizes
- Old provider access details
- DNS access
- Required aliases
- Shared mailbox needs
- Mobile and Outlook reconfiguration plan
Step 6: Train staff
Show staff how to use Outlook, Teams, OneDrive, and MFA. A technically correct setup can still fail if users do not understand where files should be stored or how to share safely.
Need help?
TechTemple can plan the Microsoft 365 tenant, configure DNS, migrate mail, secure the accounts, and support staff after cutover.