Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
grep - grep is a command-line utility for searching plain-text data sets for lines matching a regular...
Mailbird - Mailbird is the best email client for Windows 7, 8 and 10
PowerGREP - Quickly search through large numbers of files on your PC or network using powerful text patterns to find exactly the information you want. Search and replace with plain text or regular expressions to maintain web sites, source code, reports, ...
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.
dnGREP - dnGrep allows you to search across files with easy-to-read results.