backup

a copy or spare kept in case the first fails

बैकअप, अतिरिक्त प्रति

Usage

Examples

Keep a backup of your photos on another drive.

Always have a backup plan if the train is late.

Common mistake

Please backup your files every week.

Please back up your files every week.

The noun is backup; the verb is back up, two words.

Remember: Backup: something at the back, ready to help.