One of the ongoing fears of writing, is of a computer glitch — or catastrophic failure — wiping out hours of your work. It’s a statistical inevitability, that the more you write the probability of you losing a few thousand words (or worse) approaches one.
It’s why we have a thousand back ups on CDs, pen drives and emailed to ourselves (on floppy disks, back in the day). It’s why we’ve delved into our Microsoft Office settings and changed the autosave interval to one minute. And we’d make it more frequent if we could.
There are a lot of work-arounds for this little problem. None are infallible, though some are very creative. But here is the one I use.