Outlook Integration

Send sequences through Outlook.com or Microsoft 365 accounts with modern authentication and seamless inbox integration.

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Key Benefits

What you can do with the Outlook integration.

  • Send from your Outlook or Microsoft 365 address
  • Modern authentication with OAuth2
  • Automatic inbox sync via Microsoft Graph API
  • Works with personal Outlook and Microsoft 365
  • Leverage Microsoft deliverability infrastructure
  • Automatic reply detection and conversation threading

How to Connect

Set up the Outlook integration in minutes.

1

Step 1

Navigate to "Connect Inbox" in MailSequence

2

Step 2

Select "Outlook" or "Microsoft 365"

3

Step 3

Authorize with Microsoft account

4

Step 4

Grant MailSequence necessary permissions

5

Step 5

Configure send limits and settings

Common Use Cases

How teams use the Outlook integration.

  • Send from corporate Microsoft 365 addresses
  • Maintain professional Microsoft email branding
  • Keep all outreach in Outlook inbox
  • Use multiple Microsoft accounts with rotation

Common Workflows

Typical workflows with Outlook.

1

Workflow 1

Connect team Microsoft 365 accounts

2

Workflow 2

Set 40-60 email daily limit per account

3

Workflow 3

Enable warmup for newly connected accounts

4

Workflow 4

Track performance per connected inbox

Requirements

What you need to connect Outlook.

  • Active Outlook.com or Microsoft 365 account
  • Admin consent for organizational accounts
  • IMAP/SMTP enabled in account settings
  • Modern authentication enabled

Limitations & Considerations

Important information about the Outlook integration.

  • Outlook.com: 300 emails per day max
  • Microsoft 365: 10,000 recipients per day max (but rate limited)
  • Recommended to stay under 100 per day per inbox for deliverability

Outlook Integration FAQs

Yes, full support for both personal Outlook.com and Microsoft 365 business accounts.
We request read/write email permissions and send permissions. For Microsoft 365, admin consent may be required.
Yes, on-premise Exchange servers can connect via SMTP/IMAP. Cloud-based Microsoft 365 uses modern auth.
Sent emails appear in your Sent folder as if you sent them normally. No impact on regular Outlook use.
We recommend 40-60 emails per day per Microsoft 365 inbox for optimal deliverability, despite higher technical limits.

Ready to Connect Outlook?

Start your 14-day free trial and connect Outlook today.

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