This can be a simple text file, or a zip file containing many files, or an archive file (tar). Depending on how sensitive the data is, you might consider creating the file on an air-gapped computer.

Step 2: After you’ve opened the app, select File. Then choose New image from the resulting menu, then select Image from folder . Now, you can find the file that needs password protection.

I have been asked by a few people how to do this, so I am just going to post a thread on it.<P>To use these create a new shortcut and use the lines below as the path.<P>Lock Workstation: %windir ...

How to lock down Google Drive files 1. Open, create or upload a Google Docs document, Google Sheets spreadsheet, or Google Slides presentation in Google Drive.

So while someone could get at your files if they know your password (the decryption key), they won't be able to take out a drive from your system and access what's on it, or use a second computer ...

If your file is on the Desktop, you can type this to get there: cd ~/Desktop macOS reveals the lock status with a special flag on the Unix file-listing command, ls .