DOSBox - DOSBox is a DOS-emulator that uses the SDL-library.
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
vDosPlus - vDosPlus (formerly vDos-lfn) is a free general-purpose non-gaming DOS emulator running on Windows...
Mailbird - Mailbird is the best email client for Windows 7, 8 and 10
FreeDOS - . creation tool just didn't feel up to the task. So, I created a new utility that may have better results.
eM Client - eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.