OneCrypt Overview

OneCrypt is free and easy to use strong file encryption for Windows, integrated with Windows Explorer to facilitate some operations. You can encrypt, decrypt, wipe, view and edit with a few mouse clicks. Cryptographic is AES-128 at this moment.

Encrypted files have a ".ocpt" extension added to their names, and are shown with a new icon.



Download and install as instructed by the standard installation wizard provided. There is no special options.


System Requirements

It's designed to run on windows system with .Net framework 4.0 or higher:

  • Windows XP
  • Windows Vista
  • Windows 7 and higher
  • Windows 2003 and higher

Getting started

OneCrypt can be used in two ways:

Windows Explorer context menu

OneCrypt is integrated in Windows Explorer and you can use from there.

OneCrypt interface

OneCrypt Explorer Interface

OneCrypt Explorer interface is an special workspace where you can control your files using groups (We call libraries or projects). It has other functions that we can explain later.

OneCrypt interface

Working with libraries/projects/groups

Library is a container that may include any number of files of any type that you want to group for quick access. You can include the same file in diferents libraries.

There a lots of options with libraries:

OneCrypt interface

Adding files to library

You can add your files in 2 ways

With drag and drop from Windows Explorer

OneCrypt interface

With drag and drop from OneCrypt explorer

OneCrypt interface

Removing files from library

Press delete key button in your keyboard directly or using context menu in your library in OneCrypt interface

OneCrypt interface

Password in session option

With password in session option enabled you only need to enter your password once when enter in OneCrypt interface.


How to encrypt/decrypt files in windows explorer

Easy, select your files and right mouse click. A context menu will show and you only need to select desired operation.


Enter your password to end operation.

Secure passwords

Tips for selecting a good password:

  • Use a password that is at least six characters long
  • Use numbers and letters and some caracter like % or -

You can check oyur password here. It is an intel service to decrypt passwords.