---
description: Side-by-side comparison of Microsoft 365 vs Unified Communications as a Service (UCaaS). Learn more about each of the product's price, features, and see the most comprehensive reviews for UK business users.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/capterra/og_logo-e5a8c001ed0bd1bb922639230fcea71a.png?auto=format%2Cenhance%2Ccompress
title: Microsoft 365 vs Unified Communications as a Service (UCaaS) Comparison - Capterra UK 2026
---

Breadcrumb: [Home](/) > [Email Management Software](/directory/30553/email-management/software) > [Microsoft 365 \<span\>vs\</span\> Unified Communications as a Service (UCaaS)](https://www.capterra.co.uk/compare/58688/169026/microsoft-365/vs/ip-phone-system)

# Compare Microsoft 365 vs Unified Communications as a Service (UCaaS)

Canonical: https://www.capterra.co.uk/compare/58688/169026/microsoft-365/vs/ip-phone-system

> Detailed comparison between Microsoft 365 and Unified Communications as a Service (UCaaS). Check ratings, reviews, pricing, and features to make the best decision for your business.

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## At a Glance

| Metric | Microsoft 365 | Unified Communications as a Service (UCaaS) |
| **Overall rating** | 4.6/5 | 4.4/5 |
| **Total Reviews** | 14084 | 49 |
| **Starting Price** | US$6.00 | US$7.48 |
| **Free Trial** | Yes | No |
| **Free Version** | No | No |
| **Deployment** | Cloud, SaaS, Web-based, Mac (Desktop), Windows (Desktop), Android (Mobile), iPhone (Mobile), iPad (Mobile) | Cloud, SaaS, Web-based, Mac (Desktop), Windows (Desktop), Android (Mobile), iPhone (Mobile), iPad (Mobile) |
| **Support** | Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support, 24/7 (Live rep), Chat | Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support, 24/7 (Live rep) |
| **Training** | Videos | In Person, Live Online, Webinars, Documentation, Videos |

## Best for

### Microsoft 365

Microsoft 365 is used by families, students, home users, professionals, remote workers, content creators, and enterprise organizations.

### Unified Communications as a Service (UCaaS)

multi-location

## Key features

### Microsoft 365

- API
- Calendar/Reminder System
- Conferencing
- Contact Management
- Customisable Templates
- Email Monitoring
- Encryption
- File Conversion
- Project Management
- Reminders
- Reporting/Analytics
- Scheduling
- Screen Sharing
- Team Calendars
- Video Conferencing
- Video Support
- Whiteboard

### Unified Communications as a Service (UCaaS)

- API
- Auto-Dialer
- Conferencing
- Contact Management
- Monitoring
- Recording
- Reporting/Analytics
- Screen Sharing

## Links

- [View Microsoft 365 Profile](https://www.capterra.co.uk/software/58688/microsoft-365)
- [View Unified Communications as a Service (UCaaS) Profile](https://www.capterra.co.uk/software/169026/ip-phone-system)
- [View Original Comparison](https://www.capterra.co.uk/compare/58688/169026/microsoft-365/vs/ip-phone-system)

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