idoo File Encryption Free is easy-to-use File Encryption freeware by password protect.

Free encrypt Microsoft Office documents (MS Word .doc, .docx,Excel .xls,Powerpoint .ppt. text), Images (PNG,TIFF photo,Lotus,PDF files,BMP,Jpg/Jpeg photos,GIF picture ), Media Video files (mp4 ,WMV,AVI,3gp,mp3,music,RMVB movies, RM films,audio)

Features:

Hide data hide your private files, folders, drives, to make them completely invisible to users programs.

Lock data the locked files/folders/drives, can not open, be read, modified, moved, deleted, copied, or renamed.

Protected files/folders without password. Files and sub-folders in a locked folder are also protected.

Encrypt data it can encrypt files and folders of any type.

Portable encryption packs and encrypts a folder into an executable (.exe file) with AES encryption.

Safe delete no one can recover deleted data from your disk if you secure delete it.

Password protected there's no other way to run or uninstall it if you do not have the password.

Idoo is a very easy to use program with a user-friendly interface.

Free version. you can encrypt / hide / protect single file.

Pro version. you can encrypt / hide / protect batch files, folder and drives

Changelog:
improve funtion from my user suggestions