What Are Backup Sets?

How Backup Sets Work & Why You Might Want to Setup One

Photo of clocks of different colors and various times
© Peter Dazeley / Photographer's Choice / Getty Images

An online backup service or a local backup tool that supports backup sets is one that lets you back up different files and folders on different schedules.

If a backup program doesn't support backup sets, it just means that everything marked for backup follows the same rules for how often backing up occurs.

How Backup Sets Work

A backup set is just a specific schedule for a specific set of files and folders.

In most cases, you'd give a new backup set a name, include the files and folders you want to have in it, and then setup specific backup rules for that collection.

In CrashPlan for Small Business, a business online backup service that supports local backup sets, you can build one backup set that backs up all of your pictures and videos on each day of the week, between 3:00 AM and 6:00 AM. Another backup set can be configured to back up all of your documents at every hour of every day.

These frequencies can of course be altered, and what you can and can't do with a backup set will differ from backup tool to backup tool.

CrashPlan for Small Business is a good example because is has additional backup set options beyond just a simple schedule, like excluding files with a certain file types from that backup set's schedule, compressing the files in one particular backup set but not the others, and enabling encryption for one backup set but not another.

Benefit to Using Backup Sets

Using backup sets are useful because you don't always need to run a backup for all of your files, all of the time.

For example, you probably don't need a backup program to check your music collection every single hour to see if there are new files to be backed up. Of course you probably do want it to monitor your document files if you're always creating and editing those types of files.

On the other hand, maybe you prefer to have your music collection checked often, and not your documents or videos. The point is that you can define exactly when each file and folder is to be backed up, which really customizes the backup experience based on what's important to you.

Using backup sets to define specific backup schedules could also save on bandwidth. If you have a monthly bandwidth cap that you don't want to exceed, or if you're concerned with backups causing performance issues during the day while you're on the computer, you can always customize the types of files that are to be backed up during the day, and leave the rest to backup at night or when you're away.

Say you don't add very many new videos to your computer on a monthly basis, but you do sometimes get new ones. In this case, you may have a backup set that backs up your videos once a month, but you don't need to have them backed up as often as your photos. Using backup sets could be really helpful in that case.

If backup sets aren't an included feature in your backup software, you'll probably only be able to choose one schedule that applies to all of the files you're backing up. For example, you could back up all of your photos, videos, and documents just like with CrashPlan, but you would only be able to choose one schedule, and it will apply to all of the data.

See our Online Backup Comparison Table to see which of our other favorite online backup services support backup sets.

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