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Microsoft Outlook

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Outlook is a product that provides its users with an email service, calendar, and the ability to save and synchronize contacts.

Email Client
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Market Share of Microsoft Outlook

Current Customer(s)

3867606

Market Share (Est.)

94.83%

Ranking

#1

Top Competitors and Alternatives of Microsoft Outlook

The top three of Microsoft Outlook’s competitors in the Email Client category are Amazon WorkMail with 3.61%, Yahoo Business Mail with 1.44%, Zimbra with 0.05% market share.

TechnologyDomainsMarket Share (Est.)Versus page
Amazon WorkMail1471703.61%Microsoft Outlook vs Amazon WorkMail
Yahoo Business Mail588771.44%Microsoft Outlook vs Yahoo Business Mail
Zimbra19580.05%Microsoft Outlook vs Zimbra
Logix Cloud Email16940.04%Microsoft Outlook vs Logix Cloud Email
Salesforce Inbox4690.01%Microsoft Outlook vs Salesforce Inbox
Apple Mail1750.00%Microsoft Outlook vs Apple Mail
HCL Notes1650.00%Microsoft Outlook vs HCL Notes
Roundcube1350.00%Microsoft Outlook vs Roundcube
Gaggle Mail650.00%Microsoft Outlook vs Gaggle Mail
MDaemon Email Server590.00%Microsoft Outlook vs MDaemon Email Server
Hiri540.00%Microsoft Outlook vs Hiri
eM Client400.00%Microsoft Outlook vs eM Client
Rambox360.00%Microsoft Outlook vs Rambox
Afterlogic Webmail270.00%Microsoft Outlook vs Afterlogic Webmail
PreVeil230.00%Microsoft Outlook vs PreVeil
UebiMiau140.00%Microsoft Outlook vs UebiMiau
Zoho SalesInbox130.00%Microsoft Outlook vs Zoho SalesInbox
SmarterMail110.00%Microsoft Outlook vs SmarterMail
Thunderbird110.00%Microsoft Outlook vs Thunderbird
Outpost100.00%Microsoft Outlook vs Outpost
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Popular Comparisons

Top Competitors and Alternatives of Microsoft Outlook

The top three of Microsoft Outlook’s competitors in the Email Client category are Amazon WorkMail with 3.61%, Yahoo Business Mail with 1.44%, Zimbra with 0.05% market share.

Microsoft Outlook vs Amazon WorkMail

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Microsoft Outlook vs Yahoo Business Mail

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Microsoft Outlook vs Zimbra

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Microsoft Outlook vs Logix Cloud Email

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Microsoft Outlook vs Salesforce Inbox

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Microsoft Outlook vs Apple Mail

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Microsoft Outlook vs HCL Notes

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Microsoft Outlook vs Roundcube

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Customers of Microsoft Outlook

Around the world in 2025, over 3781422 companies have started using Microsoft Outlook as Email Client tool.

CustomersEmployee RangeCityRegionCountrySocial Links
Malakoff Humanis10,000+ParisIle-de-FranceFrance
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Purina10,000+St. LouisMissouriUnited States
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Textron Aviation10,000+WichitaKansasUnited States
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Macquarie Group10,000+SydneyNew South WalesAustralia
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CSPC Dermay Europe GmbH10,000+HamburgHamburgGermany
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World Water Polo Coaches Association10,000+CalgaryAlbertaCanada
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Airbus10,000+LeidenSouth HollandNetherlands
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Xerox10,000+NorwalkConnecticutUnited States
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Anticimex Group10,000+StockholmStockholmSweden
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Goodwill Industries International10,000+RockvilleMarylandUnited States
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Microsoft Outlook Customers by Products and Services

The top three products and services offering customers that use Microsoft Outlook for Email Client are Project Management (17294), Marketing (15689), Consulting (12118).

Customers

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Microsoft Outlook Customers by Employee Size

The majority of Microsoft Outlook's customers for the email-client category fall in the company size of 0 - 9 employees (2026316 companies), 20 - 49 employees (903506 companies), 100 - 249 employees (318681 companies).

Employee Size

Microsoft Outlook Customers by Geography

The top three geographies of Microsoft Outlook for email-client are the United States with 1497164(50.67%), United Kingdom with 366926(12.42%), Germany with 215418(7.29%) customers respectively.

Customers

Employees of Microsoft Outlook

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Also see other Products/Services by Microsoft Outlook in:

Email Management
Email Client
Hosted Email

FAQ

Find answers to the most often asked questions by users.

Who are the top Microsoft Outlook competitors?

Microsoft Outlook’s Top competitors in the email-client category are Amazon WorkMail, Yahoo Business Mail, Zimbra. You can view a full list of Microsoft Outlook competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Microsoft Outlook and 40,000 other technologies on the internet. You can also compare Microsoft Outlook and its feature with top competitors here : Microsoft Outlook vs Amazon WorkMail Microsoft Outlook vs Yahoo Business Mail Microsoft Outlook vs Zimbra.

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What is Microsoft Outlook customer distribution based on company size?

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What is Microsoft Outlook market share in the email-client?

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What are the top countries that use Microsoft Outlook?

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What are the top industries that use Microsoft Outlook?

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