My Passport backup isn't keeping up to date

My back-up on my WD external drive is over a month old- altho I have it on all the time. Last date in October. How do I get it to constantly update?

Hi Rivkin,

Which backup software are your using to backup the data into your WD External drive?

If you’re using WD Backup or WD Smartware to backup the data in the drive. You can refer the link mentioned below to view or access the files backed up in your drive.