backup file

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Definitions from WordNet

Noun backup file has 1 sense

backup file - (computer science) a computer file dedicated to storing and updating computer backups
--₁ is a kind of computer file

Definitions from the Web

Backup File

A backup file is a copy of computer data that is created for the purpose of restoring the original data in case of loss, corruption, or accidental deletion. It serves as a safety net to prevent data loss and allows for easy recovery.

Sample sentences:

I always make sure to create a backup file of my important documents in case my computer crashes.
Before performing any system updates, it is advisable to create a backup file of all your files and folders.
She accidentally deleted an important folder, but luckily she had a backup file saved on an external hard drive.
The software automatically creates a backup file every hour to ensure data integrity.