Integrations / Office365

Office 365 phone system integration

Integrate Office 365 with CircleLoop - the better business phone system.

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What does CircleLoop + Office365 Integration give you?

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Automatic Contact Sync

Your Office 365 contact data will automatically sync into your CircleLoop app, from names, organisations, email addresses and numbers through to existing call notes.

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Informative Inbound Caller ID

If an incoming call is a contact from your Office 365 address book, your app will display their full contact details along with tags and other information from your contact card.

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The Office 365 Phone System

There’s a very strong chance that your business has subscribed to Office 365, to give it access to the best Office apps like Word, Excel, Powerpoint and Outlook, the excellent storage solutions and also an address book. It’s a powerful collection of services, and Outlook, in particular, is useful for sending and receiving emails and storing contacts.

This is where CircleLoop’s integration comes into play and can take your Office 365 system to the next level.

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How does CircleLoop Integrate with Office 365?

It’s likely that you use Microsoft’s Office 365 for convenience, and CircleLoop’s Office 365 phone integration is designed to slot in conveniently with your other apps. It can sync your Microsoft Outlook and Office 365 contacts and give you call queue and call recording capabilities.

CircleLoop lets you access your Office 365 contacts on the go, so you can make and receive calls from your Outlook address book as long as you have your phone with you. The only requirement for this Microsoft Office 365 phone system is installing the CircleLoop app. The app itself gives you a number of other excellent phone system features, like virtual numbers, call recording and conference calls.

Office365 integration

Benefits for your team

Know who’s calling at a glance

An incoming caller is identified instantly by CircleLoop, providing a link to Office 365 and the details from their contact card, including tags.

Improved client management

You can call your clients directly through Office 365 using CircleLoop’s functionality, so there’s no need for you to leave it to speak to your clients. This makes customer management smooth and pain-free.

Search & call on the move

The CircleLoop app lets you quickly search and call your contacts and customers on the go and gives you their full information, including notes.

Do You Have Questions?

Frequently Asked Questions

Take a look at the most frequently asked questions and don't hesitate to contact us if you need further assistance

Can I synchronise my Office 365 contacts with CircleLoop?

When you install CircleLoop you’ll be given the option to automatically sync your Office 365 contacts. It’s quick and as easy as pressing a button.

What are the Office 365 phone system requirements for CircleLoop?

All you need to do is sign up to a CircleLoop account and install the app on your phone on your desktop. You can then follow the instructions to get it all set up.

Does CircleLoop’s Office 365 integration work on Macs?

Yes, CircleLoop can be downloaded onto both Mac and Windows devices with all integrations compatible on both. Take a look at our download pages for CircleLoop for Mac and CircleLoop for Windows to start the setup process.

Does CircleLoop integrate with Microsoft Dynamics?

CircleLoop doesn’t currently integrate with Microsoft Dynamics, but our Office 365 integrations are incredibly powerful, and we sync up with a number of other CRM platforms.

What other features does CircleLoop offer?

CircleLoop is a cloud-based phone system that works for businesses both big and small. It syncs up seamlessly with Office 365 and lets you have conference calls, call recording, virtual numbers and a wide selection of other features.

Learn more about the CircleLoop features you can add to Office 365.

Smart features that save you time and money

Self service

Add a Platinum, Gold, Silver or Bronze number to your CircleLoop account

Desktop and Mobile Apps

As a cloud-based phone we run using VoIP (voice over internet protocol), so you can make and receive calls on your mobile or desktop.


CircleLoop can sync up with deskphones, so if you still need a physical phone presence we can help there too.

Number Porting

Port your old number over to CircleLoop, so you haven’t got to worry about losing key inbound prospects.


While our apps lessen the worry of missing a call, we offer voicemail transcribing for any voicemails left to your CircleLoop numbers.

Out of Hours Routing

Set the days and times you are available, route calls to another team, menu or external number

Call Transfer

Transfer calls to another team, menu or another user


All voicemails can be converted to text and sent to your activity feed or email

Conference Calling

Every user gets their own conference room, to arrange group calls with ease

Call Recording

Call recording lets your sales team learn from their mistakes and improve their calls, plus they don’t have to worry about taking note or missing a detail.

Call Greetings & Menus

If people need to return your sales calls, you can set up in-call menus to direct callers to the right place.

Call Forwarding

Send inbound calls to mobile phones or other landline numbers


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Check out our growing list of powerful integrations and webhooks helping your team save time and get more done.

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Already using Circleloop? All you need to do is link your CircleLoop & Office365 accounts.

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