[Home](https://www.selecthub.com/) \> [Project Management](https://www.selecthub.com/category/project-management/) \> [Collaboration Software](https://www.selecthub.com/c/collaboration-software-tools/) \> [Microsoft 365](https://www.selecthub.com/p/collaboration-software-tools/microsoft-365/) \> Microsoft 365 vs Slack 

#  Microsoft 365 vs Slack 

 Last Updated: May 11th, 2026 

Our analysts compared [Microsoft 365](https://www.selecthub.com/p/collaboration-software-tools/microsoft-365/) vs [Slack](https://www.selecthub.com/p/collaboration-software-tools/slack/) based on data from our 400+ point analysis of [Collaboration Software](https://www.selecthub.com/c/collaboration-software-tools/), user reviews and our own crowdsourced data from our [free software selection platform](https://www.selecthub.com/about/start-free-selection-project-site/?category=Collaboration Software&cta=collaboration-software-tools).

[Overview](#product-overview) [Pricing](#product-pricing) [Our Review](#product-analyst-summary) [User Ratings](#user-sentiment-section) [Features](#product-benefits-features) [Screenshots](#product-screenshots) 

Remove Add to Compare 

[![Microsoft 365 Software Tool](https://cdn.selecthub.com/products/a768922976dd05cd372dde028932ad91-59187a960c1918578c3565bdca83904f/resources/normal/logo.png?1726632197)](https://www.selecthub.com/p/collaboration-software-tools/microsoft-365/)

[ ![Product Awards](https://www.selecthub.com/display/images/awards_badge.svg) ](#awards-section) 

Remove Add to Compare 

[![Slack Software Tool](https://cdn.selecthub.com/products/51c66183db882de9d51dac0dabec5323-d9fcada3940fbbd7e02f435e3deb81e2/resources/normal/logo.png?1736199403)](https://www.selecthub.com/p/collaboration-software-tools/slack/)

[ ![Product Awards](https://www.selecthub.com/display/images/awards_badge.svg) ](#awards-section) 

[Get Free Demo](https://pmo.selecthub.com/get-product-demo/?category=Collaboration+Software&product%5Fname=Microsoft%2B365&product%5Flogo=https%3A%2F%2Fd3uimxdj41cg3o.cloudfront.net%2Fproducts%2Fa768922976dd05cd372dde028932ad91-59187a960c1918578c3565bdca83904f%2Fresources%2Fnormal%2Flogo.png%3F1726632197) [Demo](https://pmo.selecthub.com/get-product-demo/?category=Collaboration+Software&product%5Fname=Microsoft%2B365&product%5Flogo=https%3A%2F%2Fd3uimxdj41cg3o.cloudfront.net%2Fproducts%2Fa768922976dd05cd372dde028932ad91-59187a960c1918578c3565bdca83904f%2Fresources%2Fnormal%2Flogo.png%3F1726632197) [Request Pricing](https://pmo.selecthub.com/get-product-pricing/?category=Collaboration+Software&product%5Fname=Microsoft%2B365&product%5Flogo=https%3A%2F%2Fd3uimxdj41cg3o.cloudfront.net%2Fproducts%2Fa768922976dd05cd372dde028932ad91-59187a960c1918578c3565bdca83904f%2Fresources%2Fnormal%2Flogo.png%3F1726632197&price=1) [Pricing](https://pmo.selecthub.com/get-product-pricing/?category=Collaboration+Software&product%5Fname=Microsoft%2B365&product%5Flogo=https%3A%2F%2Fd3uimxdj41cg3o.cloudfront.net%2Fproducts%2Fa768922976dd05cd372dde028932ad91-59187a960c1918578c3565bdca83904f%2Fresources%2Fnormal%2Flogo.png%3F1726632197&price=1) 

[Get Free Demo](https://pmo.selecthub.com/get-product-demo/?category=Collaboration+Software&product%5Fname=Slack&product%5Flogo=https%3A%2F%2Fd3uimxdj41cg3o.cloudfront.net%2Fproducts%2F51c66183db882de9d51dac0dabec5323-d9fcada3940fbbd7e02f435e3deb81e2%2Fresources%2Fnormal%2Flogo.png%3F1736199403) [Demo](https://pmo.selecthub.com/get-product-demo/?category=Collaboration+Software&product%5Fname=Slack&product%5Flogo=https%3A%2F%2Fd3uimxdj41cg3o.cloudfront.net%2Fproducts%2F51c66183db882de9d51dac0dabec5323-d9fcada3940fbbd7e02f435e3deb81e2%2Fresources%2Fnormal%2Flogo.png%3F1736199403) [Request Pricing](https://pmo.selecthub.com/get-product-pricing/?category=Collaboration+Software&product%5Fname=Slack&product%5Flogo=https%3A%2F%2Fd3uimxdj41cg3o.cloudfront.net%2Fproducts%2F51c66183db882de9d51dac0dabec5323-d9fcada3940fbbd7e02f435e3deb81e2%2Fresources%2Fnormal%2Flogo.png%3F1736199403&price=1) [Pricing](https://pmo.selecthub.com/get-product-pricing/?category=Collaboration+Software&product%5Fname=Slack&product%5Flogo=https%3A%2F%2Fd3uimxdj41cg3o.cloudfront.net%2Fproducts%2F51c66183db882de9d51dac0dabec5323-d9fcada3940fbbd7e02f435e3deb81e2%2Fresources%2Fnormal%2Flogo.png%3F1736199403&price=1) 

###  Products Insights

 Product Ranking 

## #1

 among all   
 Collaboration Software

## #2

 among all   
 Collaboration Software

[Find out who the leaders are](https://pmo.selecthub.com/request-custom-scorecard?post%5Ftype=auto%5Fvs%5Farticle&category%5Fslug=collaboration-software-tools&product%5Fslug=microsoft-365&category=Collaboration+Software) 

 Price Starts From

$6/User, Monthly 

[ 30 Day Free Trial is available →](https://pmo.selecthub.com/free-trial/?product%5Fname=Microsoft 365&category=Collaboration Software&product%5Flogo=https://d3uimxdj41cg3o.cloudfront.net/products/a768922976dd05cd372dde028932ad91-59187a960c1918578c3565bdca83904f/resources/normal/logo.png?1726632197) 

$8.75/User, Monthly 

 Free Trial is unavailable →

 Pros

 What we like about Microsoft 365 and Slack:

* Includes the full Office suite — Word, Excel, PowerPoint, and Outlook — alongside Teams
* AI Copilot helps with drafting, analyzing data, and suggesting formulas across apps
* Built-in compliance and security tools make it a strong fit for handling sensitive data

* Easy-to-navigate interface with a minimal learning curve for messaging and channels
* Slack Connect lets you collaborate with external users without leaving the platform
* AI-powered search and channel summaries reduce time spent tracking down information

 Cons

 What we dislike about Microsoft 365 and Slack:

* Feature-heavy design can feel overwhelming, particularly for users who only need basic communication
* Subscription costs can add up and become significant for large organizations
* Lacks the focused, communication-first experience that messaging-only tools offer

* Free plan limits message history to 90 days and caps integrations at 10
* High notification volume in larger teams can feel hard to manage
* Doesn't include native document creation tools — you'll need separate apps for that

###  Our Review

**Bottom line:** Microsoft 365 is the better fit if you need a full productivity suite with office apps, email, and collaboration all in one place. Slack is the better pick if your team already has document tools and wants a best-in-class messaging and communication hub.

Microsoft 365 packs a lot into one subscription. You get Teams for chat and video, OneDrive for storage, and the full Office suite — Word, Excel, PowerPoint, and Outlook — all working together. That's a strong value proposition if your team relies heavily on documents and spreadsheets day-to-day. Slack, on the other hand, is built around communication. Channels, direct messages, huddles, and Canvas keep everything in one place, and it's genuinely fast to pick up and start using.

On AI, both products offer it, but in different ways. Microsoft 365's Copilot works inside Word, Excel, and Teams to help draft content, analyze data, and surface insights. Slack AI focuses on search and summarization — helping you catch up on long threads or find information fast. Which matters more depends on whether your team spends more time creating documents or coordinating work.

Pricing is straightforward for both. Microsoft 365 starts at $6 per user per month and Slack starts at $8.75 per user per month.

If security and compliance are a priority, Microsoft 365 has a clear edge with built-in tools designed for regulated industries. Slack works well across industries too, but it's less purpose-built for compliance-heavy environments. For smaller teams or those who want something simple to set up and easy to use, Slack's focused design is hard to argue with.

###  User Sentiment Summary

 Microsoft 365 has a user sentiment rating of 91 based on 28098 reviews. Slack has a user sentiment rating of 91 based on 73072 reviews. 

![Excellent User Sentiment](https://www.selecthub.com/display/images/scores/excellent.svg) 28098 reviews 

![Excellent User Sentiment](https://www.selecthub.com/display/images/scores/excellent.svg) 73072 reviews 

 Synopsis

 Evaluating all review platforms, our market analysts have compiled the following user sentiment data.

 91%

of users recommend this product

 Microsoft 365 has a 'excellent' User Satisfaction Rating of 91% when considering 28098 user reviews from 4 recognized software review sites.

 91%

of users recommend this product

 Slack has a 'excellent' User Satisfaction Rating of 91% when considering 73072 user reviews from 4 recognized software review sites.

 User Review Scores

**G2.com, Inc** 

**4.6** (5175) 

**4.5** (33807) 

**Capterra Inc** 

**4.6** (13723) 

**4.7** (23530) 

**Gartner, Inc** 

**4.6** (2295) 

**4.6** (6771) 

**TrustRadius** 

**4.3** (6905) 

**4.5** (8964) 

###  Awards

SelectHub awards earned by these products based on a comprehensive analysis by our research analysts.

 Microsoft 365 stands above the rest by achieving an ‘Excellent’ rating as a User Favorite. 

![User Favorite Award]()

 Slack stands above the rest by achieving an ‘Excellent’ rating as a User Favorite. 

![User Favorite Award]()

###  Product Assistance

 Training Resources

Documentation

In Person

Live Online

Videos

Webinars

Documentation

In Person

Live Online

Videos

Webinars

 Support

Email

Phone

Chat

FAQ

Forum

Knowledge Base

24/7 Live Support

Email

Phone

Chat

FAQ

Forum

Knowledge Base

24/7 Live Support

###  Product Basics

 Company Size 

 i

Small

Medium

Large

Small

Medium

Large

 Platforms Supported

Windows

Mac

Linux

Android

Chromebook

Windows

Mac

Linux

Android

Chromebook

 Deployment Supported

Cloud

On-Premise

Mobile

Cloud

On-Premise

Mobile

 Comparison of Top Alternatives

[ Microsoft 365 Alternatives](https://www.selecthub.com/collaboration-software-tools/microsoft-365/alternatives/) 

[ Slack Alternatives](https://www.selecthub.com/collaboration-software-tools/slack/alternatives/) 

###  Screenshots

![Screenshots]() 

![Screenshots]()![Screenshots]()![Screenshots]()![Screenshots]()![Screenshots]() 

###  Key Features

* **Team communication** – Microsoft Teams brings together chat, video calls, and file sharing in channels that connect directly to the rest of the Microsoft 365 suite.
* **AI assistance** – Copilot works inside Word, Excel, and Teams to help you draft content, analyze data, and surface information without leaving the app you're already in.
* **Office suite integration** – Word, Excel, PowerPoint, and Outlook are included in the subscription and connect directly to Teams and OneDrive for real-time co-authoring.
* **Workflow automation** – Power Automate lets you build automated workflows between Microsoft 365 apps and third-party services without writing code.

* **Channels and messaging** – Slack organizes communication into public, private, or multi-workspace channels where you can share files, tag users, and start huddles directly.
* **AI search and summaries** – Slack AI helps you search message history and generate summaries of channel conversations, so you can catch up quickly without scrolling through everything manually.
* **Slack Connect** – Lets you invite external collaborators into shared channels or direct messages so you can work with people outside your organization without switching tools.
* **Canvas** – Lets you create documents, whiteboards, and checklists inside channels or DMs using templates or from scratch, with support for comments, mentions, and shared editing.

###  Top Alternatives in Collaboration Software 

[  Bublup ](https://www.selecthub.com/p/collaboration-software-tools/bublup/) [  Conceptboard ](https://www.selecthub.com/p/collaboration-software-tools/conceptboard/) [  Confluence ](https://www.selecthub.com/p/collaboration-software-tools/confluence/) [  Google Admin ](https://www.selecthub.com/p/collaboration-software-tools/google-admin/) [  Google Workspace ](https://www.selecthub.com/p/collaboration-software-tools/google-workspace/) [  Microsoft 365 Business ](https://www.selecthub.com/p/collaboration-software-tools/microsoft-365-business/) [  Microsoft 365 Copilot ](https://www.selecthub.com/p/collaboration-software-tools/microsoft-365-copilot/) [  Microsoft 365 Education ](https://www.selecthub.com/p/collaboration-software-tools/microsoft-365-education/) [  Microsoft 365 Enterprise ](https://www.selecthub.com/p/collaboration-software-tools/microsoft-365-enterprise/) [  Microsoft Lists ](https://www.selecthub.com/p/collaboration-software-tools/microsoft-lists/) [  Microsoft Loop ](https://www.selecthub.com/p/collaboration-software-tools/microsoft-loop/) [  Miro ](https://www.selecthub.com/p/collaboration-software-tools/miro/) [  Notion ](https://www.selecthub.com/p/collaboration-software-tools/notion-so/) [  Rocket Chat ](https://www.selecthub.com/p/collaboration-software-tools/rocket-chat/) [  SharePoint ](https://www.selecthub.com/p/collaboration-software-tools/sharepoint/) [  Slack ](https://www.selecthub.com/p/collaboration-software-tools/slack/) [  Slite ](https://www.selecthub.com/p/collaboration-software-tools/slite/) [  Vyopta ](https://www.selecthub.com/p/collaboration-software-tools/vyopta/) [  Zimbra ](https://www.selecthub.com/p/collaboration-software-tools/zimbra/) [  Zoom Workplace ](https://www.selecthub.com/p/collaboration-software-tools/zoom-workplace/) 

###  Related Categories

 Microsoft 365 and Slack can also be found with other leading products in these categories:

[ Email Collaboration Software ](https://www.selecthub.com/c/email-collaboration-software/) 

[ Office Suite Software ](https://www.selecthub.com/c/office-suite-software/) 

[ Video Conferencing Platforms ](https://www.selecthub.com/c/video-conferencing-software/) 

 Show more 

[ Project Management Software ](https://www.selecthub.com/c/project-management-software/) 

[ Video Conferencing Platforms ](https://www.selecthub.com/c/video-conferencing-software/) 

[ Work Management Software ](https://www.selecthub.com/c/work-management-software/) 

 Show more 

###  Head-to-Head Comparison

![Microsoft 365 Software Tool]() 

![Confluence Software Tool]() 

[Microsoft 365 VS Confluence](https://www.selecthub.com/collaboration-software-tools/microsoft-365-vs-confluence/) 

![Microsoft 365 Software Tool]() 

![Google Workspace Software Tool]() 

[Microsoft 365 VS Google Workspace](https://www.selecthub.com/collaboration-software-tools/microsoft-365-vs-google-workspace/) 

![Microsoft 365 Software Tool]() 

![Microsoft 365 Business Software Tool]() 

[Microsoft 365 VS Microsoft 365 Business](https://www.selecthub.com/collaboration-software-tools/microsoft-365-vs-microsoft-365-business/) 

![Microsoft 365 Software Tool]() 

![Microsoft 365 Copilot Software Tool]() 

[Microsoft 365 VS Microsoft 365 Copilot](https://www.selecthub.com/collaboration-software-tools/microsoft-365-vs-microsoft-365-copilot/) 

![Microsoft 365 Software Tool]() 

![Microsoft Lists Software Tool]() 

[Microsoft 365 VS Microsoft Lists](https://www.selecthub.com/collaboration-software-tools/microsoft-365-vs-microsoft-lists/) 

![Microsoft 365 Software Tool]() 

![Microsoft Loop Software Tool]() 

[Microsoft 365 VS Microsoft Loop](https://www.selecthub.com/collaboration-software-tools/microsoft-365-vs-microsoft-loop/) 

![Microsoft 365 Software Tool]() 

![Miro Software Tool]() 

[Microsoft 365 VS Miro](https://www.selecthub.com/collaboration-software-tools/microsoft-365-vs-miro/) 

![Microsoft 365 Software Tool]() 

![Notion Software Tool]() 

[Microsoft 365 VS Notion](https://www.selecthub.com/collaboration-software-tools/microsoft-365-vs-notion-so/) 

![Microsoft 365 Software Tool]() 

![SharePoint Software Tool]() 

[Microsoft 365 VS SharePoint](https://www.selecthub.com/collaboration-software-tools/microsoft-365-vs-sharepoint/) 

![Microsoft 365 Software Tool]() 

![Slack Software Tool]() 

[Microsoft 365 VS Slack](https://www.selecthub.com/collaboration-software-tools/microsoft-365-vs-slack/) 

![Microsoft 365 Software Tool]() 

![Zimbra Software Tool]() 

[Microsoft 365 VS Zimbra](https://www.selecthub.com/collaboration-software-tools/microsoft-365-vs-zimbra/) 

![Microsoft 365 Software Tool]() 

![Zoom Workplace Software Tool]() 

[Microsoft 365 VS Zoom Workplace](https://www.selecthub.com/collaboration-software-tools/microsoft-365-vs-zoom-workplace/) 

**About SelectHub (and our data)** 

We’re the employee-owned Austin-based startup democratizing software data so you can make your decisions in an influence-free zone. Our market data is crowdsourced from our user-base of 100,000+ companies.

WE DISTILL IT INTO REAL REQUIREMENTS, COMPARISON REPORTS, PRICE GUIDES and more...

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**Tier 1:**  
 Fully/moderately supported out-of-the-box allowing for quick and easy deployment.  
Fully or moderately supported out-of-the-box with industry-leading capabilities and is immediately available after installation without needing any add-ons, integrations, or custom development. 

**Tier 2:**  
 Supported with workarounds or add-ons that may require additional costs.  
Not directly available in the software, but can be accomplished using other built-in features, workarounds, or add-ons/products from the vendor with or without any additional cost. 

**Tier 3:**  
 Requires partner integrations or custom development that is often at an additional cost.  
Requires additional integrations, plugins, marketplace applications from a third-party vendor, or custom development using the APIs, libraries, extensions, and development framework supported by the software, with or without any additional cost. 

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