1,354,969

Companies Using Microsoft Office 365

9,459,580

Total Contacts Available

Microsoft Office 365 Users Email List – Your Gateway to Cloud Collaboration Leaders

Access 68,000+ Office 365 Users: Premium Contact Database for Enterprise Cloud Marketing

Reaching decision-makers at organizations leveraging Microsoft Office 365 requires specialized enterprise intelligence that goes beyond generic technology contact lists. Success demands access to verified contacts who influence cloud productivity strategy, manage collaboration platforms, and control enterprise software investments. Whether targeting small businesses adopting cloud tools or global enterprises modernizing productivity infrastructure, the challenge lies in identifying authenticated Office 365 users with purchasing authority across diverse deployment environments.

That’s where Span Global Services’ Office 365 customers list becomes your cloud productivity market advantage. Our expertly curated Office 365 users mailing list delivers verified access to companies using Office 365 across the United States, Europe, Asia-Pacific, Latin America, and additional markets where Office 365 maintains dominant cloud productivity presence.

Key Facts and Statistics

Database Size

Database Size

68,000+ verified enterprise contacts from the MS Office 365 cloud productivity users list across 38+ industries

Geographic
Reach

United States, United Kingdom, Germany, Canada, France, Australia, India, Japan,

45+ additional marketsc

Geographic Reach

Distribution by Industry

  • Professional Services (22%)
  • Financial Services (18%)
  • Healthcare (15%)
  • Manufacturing (13%)
  • Education (11%)
  • Technology(10%)
  • Others (11%)
Premium as-400

Included Job Titles

CIO, IT Director, Microsoft 365 Administrator, Collaboration Manager, Infrastructure Director, VP of IT, Systems Administrator, and cloud technology decision-makers

Included Job Titles

97%+

Validation Accuracy

email verification rate through enterprise cloud validation protocols

Validation Accuracy

30 days

Refresh Frequency

Validated and updated every 30 days to reflect organizational and technology changes

How Can You Maximize Cloud Software Sales with Our Accurate B2B Database of Office 365 Users?

Microsoft Office 365 (now Microsoft 365) serves over 345 million paid seats globally, providing comprehensive cloud productivity solutions including Exchange Online, SharePoint, Teams, OneDrive, and Office applications. These organizations depend on Office 365 for email, collaboration, document management, video conferencing, and business productivity. Span Global Services provides an exhaustive MS Office 365 client list enabling targeted engagement across sectors including financial services, healthcare, education, manufacturing, government, and professional services.

With our premium list of companies using Office 365, you unlock verified access to IT and business decision-makers at organizations utilizing Microsoft’s cloud ecosystem. This includes Office 365 IT buyer insights, CIOs, IT Directors, Collaboration Managers, Microsoft 365 Administrators, and technology leaders driving digital workplace transformation and cloud migration initiatives.

Companies Using MicroSoft Office 365,
Segregated by Top Countries, Top Industries & Other Details

We have data about 1,354,969 companies that use MicroSoft Office 365

Microsoft Office 365 Market Share by Category

Category Market Share Total Companies Market Position Top Competitors
Cloud Productivity 47.3% 345M+ seats #1 Market Leader Google Workspace (28.4%), Zoho Workplace (6.2%)
Enterprise Email 52.8% 280M+ seats Dominant Leader Google Workspace (31.2%), Zoho Mail (4.8%)
Business Collaboration 49.2% 320M+ users #1 Position Slack (15.7%), Google Meet (24.3%)
Cloud Storage (Enterprise) 38.7% 250M+ users Top 2 Google Drive (34.2%), Dropbox (12.4%)
Enterprise SaaS 43.1% 345M+ seats Market Leader Google Workspace (26.8%), Salesforce (8.2%)

*Disclaimer: All information displayed is subject to frequent changes given the dynamic nature of the data

Company Name Website Headquarters Industry Revenue Employees
Accenture accenture.com Dublin, Ireland Professional Services $64B 738,000+
Toyota toyota.com Toyota City, Japan Automotive $275B 375,000+
GE Healthcare gehealthcare.com Illinois, US Healthcare Technology $18B 50,000+
Deutsche Bank db.com Frankfurt, Germany Banking & Financial €28B 84,000+
Nestle nestle.com Vevey, Switzerland Food & Beverage CHF 93B 273,000+
Vodafone vodafone.com London, UK Telecommunications €45B 96,000+

*Disclaimer: All information displayed is subject to frequent changes given the dynamic nature of the data

Top Countries that use MicroSoft Office 365

Press the [ALT] key to zoom

Top Industries Using Microsoft Office 365

Microsoft Office 365 Revenue by Country –

Rank Country Revenue (USD) Market Share Number of Companies Growth Rate Key Industries
1 United States $21.54 Billion 34.0% 1,325,000 +3.5% Tech, Finance, Healthcare
2 United Kingdom $5.07 Billion 8.0% 268,000 +2.8% Finance, Professional Services
3 Australia $2.53 Billion 4.0% 150,000 +2.9% Mining, Construction, Finance
4 Canada $1.90 Billion 3.0% 112,000 +3.1% Energy, Finance, Government
5 Germany $1.90 Billion 3.0% 78,200 +2.4% Manufacturing, Automotive
6 India $1.58 Billion 2.5% 89,500 +9.2% IT Services, BPO, Pharma
7 France $1.27 Billion 2.0% 65,300 +2.6% Luxury, Aerospace, Finance
8 Netherlands $1.14 Billion 1.8% 48,700 +2.2% Logistics, Finance, Tech
9 Brazil $1.01 Billion 1.6% 42,100 +5.8% Agriculture, Finance, Energy
10 Italy $0.95 Billion 1.5% 38,900 +2.1% Fashion, Manufacturing
11 Spain $0.89 Billion 1.4% 35,600 +2.7% Tourism, Finance, Retail
12 Japan $0.82 Billion 1.3% 32,800 +1.5% Manufacturing, Electronics
13 China $0.76 Billion 1.2% 28,400 +7.8% Manufacturing, Tech, Retail
14 Sweden $0.70 Billion 1.1% 24,500 +2.3% Tech, Gaming, Telecom
15 Belgium $0.63 Billion 1.0% 22,100 +2.0% Pharma, Logistics, Finance
— Other Countries $21.67 Billion 34.2% 1,128,900 +3.8% Various

*Disclaimer: All information displayed is subject to frequent changes given the dynamic nature of the data

Companies Using Microsoft Office 365 by Employee Count

Employee Range Number of Companies Percentage Key Industries
25 – 99 Employees 10,200 15.0% Small Businesses, Startups, Professional Services
100 – 249 Employees 13,600 20.0% Growing SMBs, Regional Businesses, Service Firms
250 – 499 Employees 12,920 19.0% Mid-Market Companies, Multi-Location Operations
500 – 999 Employees 10,880 16.0% Large Mid-Market, Regional Enterprises
1,000 – 4,999 Employees 11,560 17.0% Large Enterprises, Multi-National Operations
5,000+ Employees 8,840 13.0% Fortune 1000, Global Corporations, Major Enterprises
TOTAL 68,000 100% All Company Sizes

*Disclaimer: All information displayed is subject to frequent changes given the dynamic nature of the data

Send Us Your Requirement!

The Strategic Advantages of Span Global’s MS Office 365 Users Database for Your Organization

  • Direct engagement with IT decision-makers at companies that use Office 365
  • Increase conversion rates with our manually validated Office 365 contact list
  • Leverage Office 365 intent data for marketers to identify organizations expanding cloud infrastructure
  • Segment by subscription plan, industry vertical, deployment size, and adoption maturity
  • Maximize ROI with GDPR-compliant Office 365 users data adhering to enterprise compliance standards
  • Utilize Office 365 tech install intelligence to understand deployment scope and Microsoft ecosystem

Who Uses Microsoft Office 365 Systems?

Industries

Professional Services

(collaboration, document management, client communication)

Financial Services

(secure email, compliance, data protection)

Healthcare

(HIPAA-compliant communication, telemedicine, care coordination)

Manufacturing

(operations collaboration, supply chain communication)

Education

(learning management, student collaboration, remote education)

Technology

(product development, remote work, global teams)

Company Size

Small to Mid-Market

(25-500 employees):

45%

Large Enterprise

(501-5,000 employees):

42%

Global Enterprise

(5,000+ employees):

20%

Span Global MS Office 365 Customers Email List Specification

What’s included in the Microsoft Office 365 email marketing database?

  • MS Office 365 business emails: Verified enterprise contact information including name, corporate email, direct phone, job title, mailing address, Office 365 plan, deployment size, and geographic location
  • Technology intelligence: Microsoft 365 subscription tier, user count, Teams adoption, SharePoint usage, Azure integration
  • Physical addresses & MS Office 365 tech install intelligence (license type, add-ons, deployment model, Microsoft ecosystem)
  • B2B buyer profiles of Office 365 customers including cloud maturity and digital transformation initiatives

Get in touch with us get your

Free Sample Data

Name is required
Enter a valid phone number
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Vertical Market Focus

Professional Services & Consulting

  • Document collaboration and version control solutions
  • Client communication and secure file sharing
  • Project management and team collaboration tools
  • Professional services automation integrations
  • Time tracking and billing system connections
  • Client portal and extranet solutions

Comparative Insights

MS Office 365 vs. Other Cloud Productivity Platforms

  • Market-leading cloud productivity suite with over 345 million paid seats globally
  • Comprehensive platform including Exchange Online, SharePoint, Teams, OneDrive, Office apps, and Power Platform
  • Available in multiple plans: Business Basic, Business Standard, Business Premium, Enterprise E3/E5
  • Recognized for integration depth, enterprise scalability, security capabilities, and comprehensive functionality
  • Dominant presence across all organization sizes, industries, and geographic markets
Book your Data

Span Global Services vs. Other Providers

Verification Rate:

97%+

(industry average: ~81%)

Update Frequency:

Every 30 Days

vs. quarterly to semi-annual

Segmentation Options:

36+ enterprise filters

(vs. generic cloud categories)

Customer Support:

Dedicated cloud market specialists providing smart Microsoft Office 365 contact intelligence consultation

Database Technical Details

Data Sources

  • Enterprise business directories & verified registrations (36%)
  • Microsoft partner ecosystem & marketplace intelligence (28%)
  • Technology adoption intelligence & install base data (22%)
  • Cloud conferences, Microsoft events, and professional associations (14%)
Learn More

Verification Process

  • Enterprise email validation (corporate domain verification, MX record authentication, deliverability testing)
  • Organizational hierarchy and role verification
  • Direct dial phone validation with international formatting
  • Corporate address verification through business registry databases
  • Decision-maker database for MS Office 365 users cross-referenced with LinkedIn and organizational charts
Learn More

Available Formats

  • CSV, Excel (.xlsx), TXT, and enterprise XML formats
  • Secure API integration for enterprise marketing automation systems
  • Pre-configured formats for enterprise CRMs (Salesforce, Microsoft Dynamics, HubSpot, SAP)
  • Native compatibility with marketing automation platforms (Marketo, Eloqua, Pardot, Adobe Campaign)
Learn More

2025-2026 Microsoft Office 365 Market Trends

Teams Adoption

320+ million monthly active Teams

AI Integration

Rapid adoption of Microsoft 365 Copilot

Security Focus

Growing investment in Microsoft 365 security

Hybrid Work

Continued expansion of hybrid workplace tools

Power Platform

Increased adoption of Power Apps, Power Automate

Viva Adoption

Growing interest in Microsoft Viva employee experience platform

Hear What Our Customers Say

Span Global’s MS Office 365 users email list transformed our Teams app go-to-market. We closed 94 enterprise deals worth $6.2M in annual recurring revenue within eight months targeting active Teams users.

Jennifer Walsh

VP of Sales

The MS Office 365 intent data for marketers helped us engage organizations expanding Microsoft 365 capabilities. Our qualified pipeline increased 365%, and our close rate improved from 19% to 61%.

David Chen

Director of Marketing, Security Platform

The manually validated MS Office 365 contact list connected us with CIOs and IT Directors with real budgets. Zero compliance issues globally, and the decision-maker database for Office 365 users delivered exceptional results.

Sarah Thompson

Chief Revenue Officer, Cloud Solutions

Frequently asked questions

Microsoft Office 365 (Microsoft 365) is a cloud-based productivity suite combining Office applications, email, collaboration tools, and cloud storage. Organizations choose it for comprehensive functionality, seamless integration, enterprise security, and ubiquitous adoption.

Microsoft 365 serves over 345 million paid seats globally across millions of organizations, representing the dominant cloud productivity platform worldwide

Our list includes businesses of all sizes from startups to Fortune 500, spanning professional services, financial institutions, healthcare systems, manufacturers, educational institutions, and government agencies.

Primary markets: United States (125M+ seats), Europe (95M+ seats), Asia-Pacific (75M+ seats), with strong presence in virtually every developed market globally.

Our intent data tracks Teams adoption, security add-on research, migration from Google Workspace, engagement with Microsoft partner content, and digital workplace transformation signals.

Yes, our insights enable segmentation by Business Basic/Standard/Premium, Enterprise E3/E5, user count ranges, Teams adoption, and Microsoft ecosystem integration depth.

Monthly validation tracks organizational changes, license upgrades, and personnel transitions. Invalid contacts replaced with verified Office 365 business emails, maintaining 97%+ accuracy.

We deliver in CSV, Excel, XML, JSON with CRM-ready files and marketing automation compatibility. Secure API access available for real-time synchronization.

Yes, our Office 365 tech install intelligence includes subscription plan, user count estimates, Teams deployment, SharePoint usage, Azure integration, and add-on adoption.

Our MS Office 365 IT buyer insights verify organizational hierarchy, IT budget responsibility, and technology selection involvement. We target CIOs, IT Directors, and Microsoft 365 Administrators with actual authority.

Clients report 44-69% improvements in qualified opportunities, 38-55% shorter sales cycles, and 420-750% ROI targeting organizations with active Microsoft 365 deployments and expansion needs.

Yes, comprehensive global coverage across all major markets with full compliance with regional data protection regulations.

Get in touch with us get your

Free Sample Data

Name is required
Enter a valid phone number
Enter a valid email
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