Everyone knows about losing data in a computer crash or as the result of a virus, and backup is one of the most powerful ways to protect against this. While backup will not save your computer from crashing, or keep viruses from being able to infect it, it will ensure that no matter what happens to your computer you will still have access to the files that are important to you. Backup is a powerful tool and everyone who uses a computer should have at least some of their files in backup.

Computer backup is the storing copies of your files on a medium other than your hard disk. The reason that we make computer backups is to protect against the event that something happens to damage our files so they are no longer usable. If we have backups of our files, then we can restore these files to our computer through our backups.

Computer backups can be made in very different formats. The traditional method of backing up computer files was the floppy disk. However, floppy disks are becoming increasingly obsolete. It is already not uncommon to not even see a new computer that includes a floppy disk drive when you go to the computer store, and it is becoming almost impossible to actually get a new computer that includes such a drive. Floppy disks can only hold 1.4 megabytes of data, and there are formats which can hold much more.

One thing to remember when you backup is that the sooner you backup, the better. If you have the time to backup your computer today, take it. You never know when something will happen. Time spent in backup is never time wasted, because you will appreciate it when the time comes. Backup has never been easier, and there is just no excuse not to have at least the important files on your computer backed up, if not your entire system.

Backing up your entire computer will take a little bit of time, but it is certainly worth it. There are programs which you can utilize in conjunction with your backup disks, whatever they may be, that will allow you to restore your entire computer from disk in case of a system crash.

Rather than having to reinstall your operating system and all of the programs and utilities which you have put onto your computer over the years, as well as all of the personal things that you have created yourself that can never be restored, restoring your entire computer from disk is fast, easy, and will include anything and everything that you had on your computer, even files that you had forgotten existed and haven't looked at in years.

It is a very powerful thing and a task that you should certainly look into undertaking.