🆚 Microsoft 365 vs. Slack

Compare technologies based on real-world usage data *

📈 Microsoft 365 is five times more popular than Slack.
🌎 Microsoft 365 is more popular in the United States, the United Kingdom, and Germany.
🌍 Slack is more popular in Korea and Saint Helena.

Microsoft 365

Slack

Type

Online collaboration tool

Instant messaging app

About

Microsoft 365 is a cloud-based subscription suite of productivity apps that includes Word, Excel, PowerPoint, OneNote, Outlook, OneDrive, and more.

It provides AI-powered features such as Copilot and Designer, secure identity and device protection, and real-time collaboration across apps.

Slack is a cloud-based team communication platform for businesses, currently owned by Salesforce.

It provides real-time messaging with organized channels, searchable history, file sharing, workflow automation, and integrations with over 2,600 third-party apps.

It also includes informal live conversations called huddles, which start as audio chats within channels or direct messages and can include video and screen sharing.

Headquarters

Redmond, Washington, United States

San Francisco, California, United States

Website

microsoft365.com #1,152

slack.com #1,026

Pricing

Free version ✔️Web versions of Word, Excel, and PowerPoint + 5 GB of OneDrive

Basic$19.99/year

Personal$99.99/year

Family$129.99/year

Premium $199.99/year

Business Basic$72/user/year

Business Standard$150/user/year

Business Premium$264/user/year

Apps for business$99/user/year

Free version ✔️90 days of message history, 10 apps

Pro$8.75/month

Business+$18/month

Popularity

Determined by the number of sites using each technology.

The Microsoft 365 online collaboration tool is 5 times more popular than Slack.

Total websites

Market share

Online Collaboration

Popularity by country

Determined by the number of sites detected from each country.

Microsoft 365 is more popular in the United States, the United Kingdom, and Germany, while Slack is more popular in Korea and Saint Helena.

United States

United Kingdom

Germany

Australia

Canada

France

Netherlands

Ukraine

Switzerland

Spain

Awards

🥇 Most popular in the United Kingdom in the Online Collaboration category.
🥇 Most popular in Germany in the Online Collaboration category.
🥇 Most popular in Australia in the Online Collaboration category.
🥇 Most popular in Canada in the Online Collaboration category.
🥇 Most popular in the Netherlands in the Online Collaboration category.

🥉 Third most popular in Ireland in the Online Collaboration category.
⭐ 5th most popular in Ireland in the Instant Messaging category.
⭐ 6th most popular in France in the Instant Messaging category.
⭐ 6th most popular in Japan in the Online Collaboration category.
⭐ 7th most popular in the United States in the Online Collaboration category.

Popularity by domain category

Determined by the number of sites in each category.

Microsoft 365 is more popular among sites focused on business, education and reference, and government and military, while Slack is more commonly used on software and hardware, Internet services, and blogs and wiki sites.

Business

Education/Reference

Government/Military

Marketing/Merchandising

Health

Finance/Banking

Software/Hardware

Internet Services

Non-Profit/Advocacy/NGO

Online Shopping