Microsoft Outlook app logo
Rainbow Office for Microsoft Outlook
by RingCentral, Inc.

Seamlessly blend phone and video capabilities into Outlook.

2 ratings



2 ratings

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These service providers are built on top of the RingCentral Platform. Apps that work for RingCentral also work for these service providers.

Charter Enterprise
Charter SMB
Frontier + RingCentral
RingCentral for Symphony
RingCentral mit 1&1 Connected Calls
RingCentral mit ecotel
RingCentral mit Telekom
Unify Office by RingCentral

Integrate RingCentral directly into Microsoft Outlook with this app

Transform Outlook into a robust productivity hub with Rainbow Office communications and collaboration features. With your business communications in one place, you and your employees can be more productive and work more efficiently.Rainbow Office for Outlook creates a powerful best-of-breed solution that gives Microsoft Outlook® the best of both worlds: enterprise-caliber communications—click-to-dial, business SMS, unified directory experience, audio, and Rainbow Office video meetings—integrated into the most popular email client.

Key Features:

  1. Make and receive calls, and send and receive business SMS.
  2. Access complete communications history—calls, texts, faxes, and voicemails.
  3. Quickly call or SMS from Outlook contact cards.
  4. Schedule a meeting
  5. Easily connect with contacts found in mail messages- Select any phone number or name to call or text and Rainbow Office will suggest matching records from the directory.
  6. Advanced active call controls: Group calling (add up to 10 participants), transfer, flip, mute, and hold.
  7. View all Rainbow Office, personal, and Outlook contacts in one, easy-to-search screen.
  8. Receive desktop notifications for incoming calls.
  9. Schedule and launch a meeting from a single screen and invite participants seamlessly.
  10. Customize user settings based on preferences.
  11. Set a location where the proper authorities can be directed in the case of an emergency
  12. Schedule a meeting for yourself or in a calendar you manage for a colleagu
  13. Use a personal meeting ID
  14. Enhance security with end-to-end encryption
  15. If meeting attendees join before the host, direct them to a waiting room


Seamless integration with Microsoft Outlook

Manage and track all business communications from your email app. With this integration, you can access all key Rainbow Office features in one place.

Boost employee efficiency

Improve workforce productivity by minimizing the number of applications you use to get everyday tasks done: calling, texting, and setting up meetings.

Easy to use and manage

Deploy on day one—no need for time-consuming customizations, professional services support, or middleware. No software or hardware to install, maintain or upgrade.


  1. Available for all Rainbow Office customers
  2. Operation System: Window 7 32 & 64 bit, Window 8 32 & 64 bit, Window 10 32 & 64 bit
  3. Outlook Version: Outlook 2013 32 & 64 bit, Outlook 2016 32 & 64 bit
  4. Microsoft Outlook version: 2.1.3
  5. Hardware specifications:
  6. CPU: Dual-Core 1.8 GHz
  7. Memory: 4 GB
  8. Hard disk: 1 GB
  9. Rainbow Office for Outlook is compatible with Rainbow Office Video and Rainbow Office Meetings