there is CryptEdit

*paste from their helpfile*

"Crypt Edit is a powerful freeware word processor, which can easily create, protect, modify, post and print your documents. It is a nice replacement for the standard Windows NotePad and WordPad (and even Microsoft Word in some cases)."

Crypt Edit has a lot of very interesting features:

Enhanced cryptography features (RC4, MD5), including encryption of binary files. Easy to use

Full OLE Objects support

Multiple documents in one instance of the program

Several configurable toolbars

Spell Checking (MS Office Compatible)

Multi-Language Interface

Html/Unix/Mac export

Templates and bookmarks

Integrated e-mail client with an address book

Built-in Character Map

Autoformat tool

Advanced editing

Fast start and small program size

Microsoft Word Compatible (Export/Import/Ole Automation)

Icon on the System Tray

Various converters (ROT-13, KOI-8 etc.)

Drag'n'Drop Interface

OEM/ANSI Codepage

Unlimited file size

Y2K Compliant

Zoom In/Out

Lines sorting operations

Clipboard Viewer

Print Preview

Find in Files

HTML Highlighting

Microsoft Mouse Wheel Compatible

Plug-ins support

Several numbering and underline styles

Easy Installation/Uninstallation ...and much more!!!