Updating flash on older mac
Don’t be frightened by the number of steps listed below – I chose to be overly thorough in some of my explanations to avoid confusion.The actual work that needs to be done by you will only take a couple minutes.Password protect your flash drive to avoid taking that chance.Some of us keep very important and sensitive information on our USB flash drives.Ricardo, The idea behind formatting the drive as HFS+ is that the encrypted DMG is generally not compatible with Windows. Now, when I try to open it, it doesn’t do anything.It involves creating an encrypted disk image, which is basically a storage container for your files.
We all carry around USB flash drives in our pockets or on our keychains.
What if it got lost or stolen and somebody suddenly had access to all of your personal files?
Now when you connect your USB flash drive to a Mac and view its contents in Finder, you will see a DMG disk image file.
Double-click this DMG file, enter the password, and it will be mounted for use.
And yet we walk around with them all day risking that they might somehow fall into the wrong hands. Let’s find out how to lock down the files on these drives to keep them from prying eyes.
If you only use your USB flash drive on Macs and not Windows-based PCs, there is a very easy way to password protect your data.