Outlook.com AlternativesTop WebMail Providers & Email Clients like Outlook.com

Outlook.com is described as 'Part of Office Online (not to be confused with Microsoft Outlook ), is a webmail service from Microsoft, successor of Hotmail' and is a very popular webmail provider in the office & productivity category. There are more than 50 alternatives to Outlook.com for a variety of platforms, including Web-based, Android, iPhone, iPad and Windows apps. The best Outlook.com alternative is Proton Mail, which is both free and Open Source. Other great apps like Outlook.com are Gmail, Tuta Mail, Disroot and Apple Mail.

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Outlook.com alternatives page was last updated Jan 14, 2026

Proton Mail
1041 likes
Proton Mail provides secure email services with end-to-end encryption, ensuring data protection. Swiss-based and outside US jurisdiction, it offers a free version to champion privacy as a human right. Fully accessible on any device.
98 Proton Mail alternatives
Cost / License
Freemium
Open Source (GPL-3.0)
Application types
WebMail Provider
Email Client
Origin
Switzerland
Platforms
Mac
Windows
Linux
Online
Android
iPhone
iPad
Tor
Flathub
Snapcraft
+9
Is Proton Mail a good alternative to Outlook.com?

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2comments
Comments about Proton Mail as an Alternative to Outlook.com

plants
Positive commentJan 15, 2016
2
It's not dissimilar to Tutanota. Both these projects are in their infancy, so technically neither is close to a mature product like Outlook, but still worthy of association under the broad category of hosted email-related services
Oscar Sanderson
Positive commentMar 11, 2021
0
I like protonmail because it is private and does not sell your data and is the best thing to switch to if you are using outlook
Proton Mail is Freemium and Open SourceOutlook.com is Freemium and Proprietary
Proton Mail is Privacy focusedOutlook.com is not according to our users
Gmail
3207 likes
Gmail offers robust spam blocking, undo send, Google Chat for collaboration, Spaces for organizing projects, Google Meet video calls, Smart Reply, threaded conversations, and swift notifications, seamlessly integrating with Google Workspace for a comprehensive email experience.
83 Gmail alternatives
Cost / License
Free
Proprietary
Application types
WebMail Provider
Email Client
Origin
United States
Platforms
Online
Android
iPhone
Chrome OS
Android Tablet
iPad
Google Chrome
Android Wear
Android TV
Software as a Service (SaaS)
+5
Is Gmail a good alternative to Outlook.com?

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2comments
Comments about Gmail as an Alternative to Outlook.com

Guest
Negative commentJan 7, 2016
0
Gmail is an e-mail provider
Review by a new / low-activity user.
adityajeppu
Positive commentJan 12, 2018
-4
Better in every way. more feasible.
Review by a new / low-activity user.
Gmail is Free and ProprietaryOutlook.com is Freemium and Proprietary
Tuta Mail
528 likes
Offers comprehensive encryption for email, calendar, and contacts with zero personal info required. Built on open source, install via Play Store, F-Droid, or APK, with Tor and VPN support. Both free and paid plans; utilizes quantum-resistant encryption ensuring privacy-focused, anonymous usage.
103 Tuta Mail alternatives
Cost / License
Freemium
Open Source (GPL-3.0)
Application types
WebMail Provider
Email Client
Origin
Germany
EU
Platforms
Mac
Windows
Linux
Online
Android
iPhone
iPad
Flathub
F-Droid
+1
Is Tuta Mail a good alternative to Outlook.com?
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Disroot
118 likes
Disroot is a platform providing online services based on principles of freedom, privacy, federation and decentralization.
44 Disroot alternatives
Cost / License
Free
Open Source
Application type
WebMail Provider
Origin
Netherlands
EU
Platforms
Online
F-Droid
Is Disroot a good alternative to Outlook.com?

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1comment
Comments about Disroot as an Alternative to Outlook.com

lancelotjensen
Positive commentJan 17, 2023
0
Great free Email provider with focus on security and privacy. Very happy I switched from Outlook to Disroot!
Disroot is Free and Open SourceOutlook.com is Freemium and Proprietary
Disroot is Privacy focusedOutlook.com is not according to our users
Apple Mail
245 likes
Access, view and manage messages from all your email accounts in one place. Categorize your messages into easy to browse categories. Catch up on email easily with Apple Intelligence powered Priority Messages and summarizations.
105 Apple Mail alternatives
Cost / License
Free
Proprietary
Application type
Email Client
Origin
United States
Platforms
Mac
Online
iPhone
iPad
Apple Watch
+1
Is Apple Mail a good alternative to Outlook.com?
Zoho Mail
123 likes
Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs.
108 Zoho Mail alternatives
Cost / License
Freemium
Proprietary
Application types
WebMail Provider
Email Client
Origin
India
Platforms
Mac
Windows
Linux
Online
Android
iPhone
Android Tablet
iPad
Apple Watch
HUAWEI AppGallery
Samsung Galaxy Store
+3
Is Zoho Mail a good alternative to Outlook.com?
Posteo
84 likes
Web- and IMAP-based email service. 2GB cost 1€/month. Information is hosted on encrypted hard drives. Electricity from renewable resources is used.
74 Posteo alternatives
Cost / License
Paid
Open Source
Application types
WebMail Provider
Email Client
Origin
Germany
EU
Platforms
Online
+9
Is Posteo a good alternative to Outlook.com?
Fastmail
76 likes
Fastmail offers secure email hosting with comprehensive webmail services, including IMAP, POP, and SMTP protocols. It supports file sharing, shared folders, large mailboxes, instant messaging, and is compatible with popular email programs. Excellent for businesses with compliance features.
73 Fastmail alternatives
Cost / License
Paid
Proprietary
Application types
WebMail Provider
Mail Server
Origin
Australia
Platforms
Mac
Windows
Linux
Online
Android
iPhone
Android Tablet
iPad
Flathub
Flatpak
+6
Is Fastmail a good alternative to Outlook.com?
Infomaniak kMail
42 likes
Privacy-focused Swiss email system provides 20 GB free storage, supports custom domains and unlimited storage, syncs contacts and calendars, is ad-free, and is part of a secure productivity suite used by over a million users across Europe on all devices.
42 Infomaniak kMail alternatives
Cost / License
Freemium
Open Source (GPL-3.0)
Application types
WebMail Provider
Email Client
Origin
Switzerland
Platforms
Online
Android
iPhone
Android Tablet
iPad
F-Droid
+8
Is Infomaniak kMail a good alternative to Outlook.com?
StartMail
29 likes
Privacy-focused email service offering easy one-click PGP encryption, 20 GB storage, disposable email addresses, and compatibility with IMAP/SMTP while adhering to Dutch privacy laws to secure data and communications effectively.
Cost / License
Paid
Proprietary
Application types
WebMail Provider
Email Client
Origin
Netherlands
EU
Platforms
Online
Is StartMail a good alternative to Outlook.com?
Yandex Mail
146 likes
Yandex Mail is a reliable email solution for work and personal correspondences with a built-in translator.
68 Yandex Mail alternatives
Cost / License
Freemium
Proprietary
Application types
WebMail Provider
Email Client
Origin
Russia
Platforms
Online
Android
iPhone
Android Tablet
iPad
Android Wear
+1
Is Yandex Mail a good alternative to Outlook.com?

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1comment
Comments about Yandex Mail as an Alternative to Outlook.com

Oscar Sanderson
Positive commentMar 11, 2021
1
I like Yandex mail because it has a great ui, is easy to use and it has very similar features to outlook
Yandex Mail is Freemium and ProprietaryOutlook.com is also Freemium and Proprietary
Yahoo Mail
120 likes
It's time to get stuff done with the Yahoo Mail app. Get organized with the help of the Mail app.
66 Yahoo Mail alternatives
Cost / License
Freemium
Proprietary
Application types
WebMail Provider
Email Client
Origin
United States
Platforms
Online
Android
iPhone
Android Tablet
iPad
Kindle Fire
+9
Is Yahoo Mail a good alternative to Outlook.com?