Lifehacker reader Anil Avadhani wrote up a tutorial on how to do this. His solution uses Windows batch commands (.bat files) and the free open-source 7-zip utility for both the encryption/decryption.

Alternatively, you can use 7-Zip to encrypt and split the file into multiple pieces and send each piece separately to add an extra layer of security. To encrypt and split a file, use these steps ...

How to encrypt a file on Windows. With Windows 11, encrypting files is fairly straightforward. Here's how. 1. Open the file manager. Open the Windows file manager and navigate to the folder ...

What Is Encryption? But before we get ahead of ourselves, let’s take a quick look into what encryption is and how it works. Imagine you are going to send a postcard in the mail.

You'll be asked to specify a file on disk that then acts as the encrypted container for other files and folders. You Might Also Like … In your inbox: WIRED's most ambitious, future-defining stories ...

I encrypt my files before uploading them to the cloud. The reason is that cloud services promise security, but they're not impenetrable. After seeing several high-profile breaches, I developed my ...

Asymmetric encryption, using public and private keys, is more secure but involves key management. Encrypting Files. To encrypt a file for yourself, you can use symmetric encryption: gpg --symmetric ...

Here's how to send and read encrypted email. If you're a paying customer of Microsoft 365, you can use Outlook to encrypt email from sender to recipient.

Here’s how to send an encrypted email: Launch Gmail, click compose; Fill necessary details to draft an email; Check for a lock icon next to their name.