Too many of us have had the experience of losing files to a crashed, crushed, or drowned hard drive.
Too many of us work on multiple computers at different locations and on different operating systems.
Many students use Chromebooks that do not provide a suite of Office tools, or they have Macs that produce .pages documents that PC users can't open.
Google has stepped in to help with all of these needs. I highly recommend that you use Google docs and Google drive for all of your assignments, but in particular you'll use it for your weekly journal, so if you need a refresher course, please view the video below.
Direct link: https://youtu.be/w8cQmbQCcfY