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532 companies use Microsoft Outlook

  • 532 companies in our database
  • 49 countries
  • Pay per contact, no subscription

Microsoft Outlook is an email, calendar, and task management tool used across enterprises and small businesses. Our database holds 567 contacts at 532 companies that rely on it, across 49 countries.

Most of these users are in the United States. You can reach 55 Software Engineers, 49 Operations Managers, and 27 founders at the companies listed below.

Companies
532
Contacts
567
Countries
49
Category
Email and calendar software

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What is Microsoft Outlook?

Microsoft Outlook is a personal information manager that combines email, calendar, scheduling, and task management. It runs on Windows, Mac, mobile, and via browser, and is available as part of Microsoft 365 or as a standalone free product.

Vendor
Microsoft
Pricing
Free tier available; also bundled in Microsoft 365 subscription plans

Sample companies that use Microsoft Outlook

CompanyLocationContacts
InfosysIndia5
AccentureIndia4
Tata Consultancy ServicesIndia4
CognizantIndia3
EYIndia3
HCL TechnologiesIndia3
INA SolutionIndia3
ZSIndia3
ADSO DevelopmentVenezuela2
BirlasoftIndia2
Delta Air LinesUnited States2
Ernst & YoungIndia2

520 more companies use Microsoft Outlook

Browse the full list free →

A sample of the companies in our database. The full account list and contacts are available in the app.

Who you can reach at Microsoft Outlook companies

The largest contact group is 55 Software Engineers, followed by 49 Operations Managers and 27 founders. This spans technical teams, operations, and leadership — reaching decision-makers and implementers across the organization.

By role

  • Software Engineer55
  • Operations Manager49
  • CEO / Founder27
  • Project Manager19
  • Recruiter18
  • Marketing Manager17
  • Account Manager13
  • Product Manager13

By role, measured in contacts.

By country

  • United States276
  • India164
  • United Kingdom22
  • Canada17
  • Philippines8
  • Colombia8
  • Pakistan4
  • Italy4

By country, measured in contacts.

Microsoft Outlook alternatives

  1. 1. Google Workspace

    Cloud-native email and collaboration suite; used by 58 companies in our database that also use Outlook

  2. 2. Thunderbird

    Free, open-source email client offering cross-platform support on Windows, Mac, and Linux

  3. 3. Zoom Workplace

    Unified communications platform combining email, calendar, and messaging; 39 of the same companies use it alongside Outlook

  4. 4. Slack

    Messaging and collaboration platform; 22 companies in our database pair it with Outlook

Frequently asked questions

How many companies in your database use Outlook?
532 companies across 49 countries have at least one contact using Outlook.
Which roles can I reach at these companies?
The largest groups are 55 Software Engineers, 49 Operations Managers, and 27 founders. You can also reach 19 Project Managers, 18 Recruiters, and 17 Marketing Managers.
What other tools do Outlook users have?
Many also use Microsoft Teams (75 companies), Google Workspace (58), and Zoom Workplace (39). Others pair Outlook with Slack (22) or Dropbox (28).
Can I filter by company size or industry?
Our sample includes major consulting and IT services firms like Accenture, Infosys, and Cognizant, as well as airlines and enterprises across sectors. Use the company list to see the mix.

What these companies also use

Based on the other products the same people reviewed. Browse every tool.

Sources