Compressing and Encrypting a File with 7Zip

How do I compress a file to be sent securely and encrypted?

Environment

• GRCC Managed Devices
• 7-Zip

Information

7-Zip software is available to GRCC devices as part of the base image through the Software Center (opens in a new window). If using a non-GRCC computer, follow the directions here for downloading the 7-Zip software (opens in a new window).

Using 7-Zip to create an encrypted archive can help meet security standards and regulations when transferring files via email that contain sensitive data.

Answer

Sender End

1. If you do not already have it installed, install 7-Zip using the GRCC Software Center (opens in a new window) or use the download link provided in the Information section above.
2. Open 7-Zip.
3. Right click the file or folder you wish to encrypt.
4. Choose 7-Zip, then select Add to archive...

   

5. Change Archive format to 7z.

   

6. Make sure Encryption method is AES-256. Check Encrypt file names if file names contain confidential information.

   

7. Click OK.
8. Set a secure password (e.g., S0methingLikeTh!s). Choose your own and share it with the recipient using a different medium such as SMS, a phone call, or a different email address.

Receiver End

1. Open 7-Zip.
2. Right click the .7z file.
3. Choose 7-Zip, then select Open archive.

   

4. Double-click the files or drag them to a new location.
5. Enter the password shared with you by the sender.