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About

Tenant Migration

Secure email queuing service for Office 365 and Google Workspace tenant migrations. Prevents email loss with 45-day retention and Message Replay technology.

Part of the DuoCircle LLC Family

Tenant Migration is built by DuoCircle LLC, an email security company founded in 2014. We provide comprehensive email security solutions — from DMARC monitoring and SPF management to phishing protection and outbound email relay — trusted by businesses of all sizes worldwide.

Headquarters

1160 Battery Street East, Suite 100
San Francisco, CA 94111

Frequently Asked Questions

What is Tenant Migration?

Secure email queuing service for Office 365 and Google Workspace tenant migrations. Prevents email loss with 45-day retention and Message Replay technology.

Who is behind Tenant Migration?

Tenant Migration is a product of DuoCircle LLC, an email security company founded in 2014 and headquartered in San Francisco, CA. DuoCircle provides email security solutions trusted by businesses worldwide.

How do I contact Tenant Migration support?

You can reach our support team at support@duocircle.com or call +1-855-700-1386. For sales inquiries, email sales@duocircle.com.