About Binary Tree

Who Is Binary Tree?

Binary Tree is a Microsoft Gold Partner for messaging, cloud productivity, cloud solutions and application development and is dedicated to and focused on enterprise transformations to Microsoft platforms. Since 1993, Binary Tree has transformed more than 8,000 global clients and 42 million users, including 7.5 million users to Office 365. The company is a globally preferred vendor for Office 365. Its headquarters is located outside of New York City with global offices in France, Germany, Singapore, Sweden and the U.K. Its award-winning software and services help companies modernize email, directories and applications by moving and integrating them to the Microsoft cloud. The company’s business-first approach helps plan, move and manage the transformation process from end to end so that clients can stay focused on their core businesses. Binary Tree’s experts deliver low-risk, successful IT transformations. 

A Journey to Digital Transformation Success

It all started in 1993 when a large bank down the street asked us to write a software application to migrate their email. Two decades later, technology transformation is our core business. 

Our software and services can help you move or consolidate your email, applications, and directories, including to the Microsoft cloud. Stay focused on your core business while our experts take care of your digital transformation from end-to-end.

We can help you:

  • Plan a predictable project. We do a deep dive on your systems and help you find and fix any issues that might slow your migration.
  • Move your email and data automatically and securely. And your users can keep working during the move. So no more costly downtime or late nights and weekends.
  • Manage the process at every step. We can even onboard and train users to get the most out of your new platform.

The result—a migration that’s low risk, has little to no user downtime, and is customized to your needs.

If you’re looking to modernize your business, get in touch with us. Binary Tree provides you with the most direct and predictable path to a successful technology transformation.


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In a five month timeframe, we migrated roughly 30,000 people, without impacting their business, without interrupting their day to day operations, to a hosted environment.

The scalability of the Binary Tree software certainly helped us to do a "fast" migration. I would estimate the product easily saved us hundreds of hours of effort compared to other products in the space.

Migrating to Office 365 means the American Cancer Society will save about $1.5 million year after year.

Binary Tree’s software has been used to migrate millions of users to Microsoft Office 365 and has proven instrumental in the onboarding process.

Binary Tree’s E2E Complete software ties together reporting, scheduling, user communications, and self-service features that shorten the time required for migration, reduce the risk of service interruption and enable the smoothest possible migration experience for users, administrators, and project managers.

Esat Sezar
Katherine Bargas
Jay Ferro
Kevin Allison
Lead Exchange Architect
Chief Information Officer
General Manager Office 365

More than 8,000 global clients have chosen Binary Tree Inc. to update and migrate their 42 million users to the next generation of messaging and technology platforms, including moving over 7.5 million users to the Microsoft Office 365 cloud.