Everything 1.4

I "cannot" live without this program near explorer, it is super

This is not completely right: Save your emails as eml-files and Everything will find it.

A blazingly fast and lightweight app that gives immediate results. Suitable for "normal" users but also very interesting for "power users" via the (optional) complex search syntax and modifiers. Especially useful for anyone working with large amounts of files regularly. Once you get the hang of it, it actually replaces several other apps/tools. I do recommend you run it as a service, not as administrator, for security and privacy reasons.