Software Library

Email Clients

Email Clients software helps Windows users send, receive, organize, search, and manage email accounts from the desktop. Ceptonic organizes established options so you can compare performance, protocol support, privacy controls, integrations, and connection reliability. Review Windows compatibility, licensing, update activity, installer source, and practical fit before choosing. These listings make useful differences easier to evaluate, helping you select software that matches your workflow, required features, and preferred level of control without sorting through unrelated programs.

v3.27.1

Proton Mail Bridge

Email Clients • 75.7 MB

Proton Mail Bridge is a background desktop app that adds a Proton Mail account to Outlook, Thunderbird, or Apple Mail through a local IMAP and SMTP server, keeping messages end-to-end encrypted.

Publisher:Proton AG
v1.14.0

Proton Mail

Email Clients • 133 MB

Proton Mail is an encrypted email service and client that keeps message contents readable only to the sender and recipient, adding password-protected external messages, alias addresses, tracker blocking, and two-factor login protection on top of ordinary mailbox features.

Publisher:Proton AG
v1.2026.812.100

Outlook for Windows

Email Clients • 32.2 MB

Outlook for Windows is Microsoft's desktop app for email, calendar, contacts, and tasks, built to gather several accounts in one place. It suits anyone who needs to triage a busy inbox, schedule meetings, and keep correspondence tied to the rest of Microsoft 365.

Publisher:Microsoft Corporation
v11.0.1054

eM Client

Email Clients • 1.6 MB

eM Client is a desktop email application that brings mail, calendar, contacts, tasks, notes, and chat into one workspace. It lets you manage several accounts at once, automate sorting rules, encrypt messages, and keep schedules and follow-ups under control.

Publisher:eM Client s.r.o.
v3.0.63

Mailbird

Email Clients • 259 MB

Mailbird is a desktop email client that unifies Gmail, Outlook, Exchange, and other accounts in one workspace, with app integrations, snoozing, and search. It suits people who want a simple, customizable inbox rather than a deeply technical setup.

Publisher:Mailbird Inc.
v11.4.1

The Bat!

Email Clients • 146 B

The Bat! is a secure desktop email client that keeps every message on your own machine, with PGP and S/MIME encryption, on-the-fly database protection, and a deep filtering system. It suits people who treat correspondence as private data rather than cloud content.

Publisher:Ritlabs, SRL
v1.26.0

Mailspring

Email Clients • 232 MB

Mailspring is a fast desktop email client with a unified inbox, indexed search across accounts, grammar checking, and optional paid features such as read receipts, link tracking, and scheduled sending. It suits people who manage several mailboxes and want a polished interface.

Publisher:Foundry 376, LLC
v4.1.1-1

Claws Mail

Email Clients • 32.6 MB

Claws Mail is a lightweight desktop email and news client with a plugin system that adds spam filtering, encryption, feed reading, and calendaring. It suits users who want fast mail handling on modest hardware and full control over every part of the setup.

Publisher:Claws Mail Team
v153.5.0

Betterbird

Email Clients • 82.1 MB

Betterbird is a fine-tuned fork of Mozilla Thunderbird that adds its own features and bug fixes, from multi-line message lists to reversed threading and regular-expression search. It suits Thunderbird users who want the same mail, calendar, and encryption tools without the long-standing irritations.

Publisher:Betterbird Project