Microsoft Outlook, part of the Microsoft Office Suite (not to be confused with Microsoft Outlook Express), is a personal information manager that lets you manage your e-mail, calendar, contacts, and tasks.
tags: built-in-calendar calendar contacts dark-theme email-clientWindows 10 has Mail and Calendar apps already built in.
tags: calendar email-client task-management windows-built-inA fully fledged, free email server solution, an open source project (GPL v2).
tags: mail-server dkim spfnPOPuk is an ultra-small, but comprehensive, e-mail client that runs on a wide range of Windows-based operating systems
tags: Discontinued Portable email-client pop3TrulyMail is an email client and a private messaging system, very feature rich (voice recording, script blocking, etc.).
tags: Portable email-client english-only e-mail-replacement