Best Practices for Data Backup on Your Computer
Having a redundant copy stored elsewhere, say, on an external drive, is inexpensive, easily implemented, and simple to do properly. This is in most cases very efficient at protecting against data loss with minimal delay.
There are a few ways to back up your data, each with their own pros and cons. One place to start is with the 3-2-1 backup rule.
Keep a copy of your data on an external drive
Two copies of your data on two different media would be the ideal safe-keeping. Having these backups created automatically is a good idea, as is making them manually, but in both cases at least the two copies should be kept off site. For instance, you could use an external hard drive and USB flash drive for backup, which gives you redundancies in case one of the devices fails. Digital clutte...