Microsoft Teams

Microsoft Teams is a unified communications and collaboration platform by Microsoft Corporation. Integrated with Office 365, it combines workplace chat, video meetings, and file storage, subject to US jurisdiction.

EUNon-EU

Brand Identity Data

HQ Country
United States
HQ City
Redmond
Founded
2017
EU Headquartered
No
EU Manufactured
No
Ownership Type
subsidiary
Stock Exchange
NASDAQ
Tax Domicile
US
Ultimate Parent
Microsoft Corporation
Data Hosting
mixed
CLOUD Act Exposure
Yes ⚠️
AI Trains on User Data
partial
GDPR Status
compliant
DSA Designation
VLOP
Carbon Neutral
certified
B Corp Certified
No
Supply Chain
disclosed
Repair / Recycling
No
Ethical Certifications
None verified

Verified on August 2, 2026

Corporate Lineage

1975

Microsoft Founded

Bill Gates and Paul Allen founded Microsoft Corporation.

2017

Teams Launch

Microsoft Teams officially launched globally as part of the Office 365 suite.

2020

Pandemic Expansion

User base grew significantly during the COVID-19 pandemic, cementing its role in enterprise communication.

2024

EU Antitrust Decoupling

Microsoft agrees to unbundle Teams from Microsoft 365 globally to settle EU competition investigations.

European Alternatives to Microsoft Teams

W

Wire

Wire is a Swiss end-to-end encrypted messaging platform for enterprises and governments, headquartered in Zug. It requires no phone number, is GDPR-compliant, and is used by European government bodies as a secure alternative to Slack and Microsoft Teams.

Compare Microsoft Teams vs. Wire
N

Nextcloud

Nextcloud is a German open-source collaboration platform offering file sync, calendar, video calls, and communication tools. Fully self-hostable and EU-owned, it is the leading European alternative to Google Workspace and Dropbox for on-premise deployments.

Compare Microsoft Teams vs. Nextcloud

Verification Sources

  1. [1]Microsoft Teams on Wikidata
  2. [2]Microsoft Teams website