Have a private document on your desktop OS? Here's how to keep it secure on Linux, MacOS, and Windows.

Using a plug-in for the popular Windows text editor, Notepad++, you can easily encrypt selected text and entire text files.

How to Open Encrypted Files. Microsoft Windows' built-in encryption utility is designed to protect files from being open, read or modified by other users and computers. As this encryption utility ...

How to unlock files encrypted by Petya ransomware for free Security researchers have released a new tool which can decrypt and salvage files locked by the malware.

To encrypt an archive in 7-zip, once you’re at the Add to Archive dialog box, enter a password and select the Encryption method AES-256. You’ll find these options near the lower-right corner ...

In this guide we covered techniques that Windows 10 users can use to encrypt individual files, folders, and entire drives on their Windows systems.

Learn how to encrypt any file in Windows 11/10 with just one click, by adding Encrypt & Decrypt item your right-click context menu.

Here's how to use DiskCryptor, BitLocker, or TrueCrypt to encrypt sensitive documents or even entire hard drives in Windows.

Learn how to change encryption for file sharing connections in Windows 11/10 using Settings, Advanced sharing settings, and Registry.

I'm looking to encrypt a file with OpenSSL functions (blowfish, des, rc4-- haven't picked one yet). Anyhow, after decrypting a file, I need to know if the file was correctly decrypted. The only ...