Step 1: Right click on the file / folder to be encrypted.
Step 2: Select “7-Zip” then “Add to archive…”
Step 3: In the Add to Archive window change the name of the archive you wish to create.
Step 4: Change the Archive format to “Zip”.
Step 5: Change the Encryption Method to “AES-256” - AES-256 is required to protect sensitive and confidential data.
Step 6: Enter a Password.
Step 7: Click “Ok” to create the encrypted archive file. The archive file will be located in the same folder as the original.
Do not email the password with the Zip file as it could be intercepted in transit. Send the password to the zip file via a different medium such as phone call or text message.