In an earlier post I explained how to use password protected zip files in Windows. This post is the Mac version. 7-Zip is still the file format, however the application is Keka instead of 7-Zip. This is because the 7-Zip application for Mac is command line only and therefore not …

Creating zip files with a password is a fairly easy way to add some security to information that you are sending via email. It's not really good encryption, but it will keep many people out.

I suggest using 7-Zip. It's an open-source and free application that runs on Windows, Linux …