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Technical Vocabularynoun|verb · /ˈbækʌp/

backup

In simple English

In tech companies, backup refers to the critical practice of duplicating important data and storing it in a separate location. This protects against data loss from hardware failures, accidental deletion, cyberattacks, or natural disasters. Backups are typically automated and scheduled regularly, with different strategies like full backups (copying everything), incremental backups (copying only changes), or differential backups. The backup process is essential for business continuity and disaster recovery planning. Teams often discuss backup strategies, retention policies, and restoration procedures in meetings and documentation.

Understand what backup means in software and IT, and why it is critical for data protection.

At a glanceCEFR B2
Commonness5/5
Versatility5/5
FormalityCasualFormalNeutral
Spoken ↔ WrittenSpokenWrittenBoth
Directness ↔ DiplomaticDirectDiplomaticDirect
RegionUS and UK
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Say it like this

✓Take a backup of the database before deploying
✓We have a backup plan if the primary server goes down
✓Make sure to backup your files regularly

Real examples

in a standup

"I completed the backup of the production database this morning at 2 AM."

in a code review

"Before merging this PR, we should backup the current configuration file."

in a team meeting

"Our backup strategy needs to include redundant storage across multiple regions for disaster recovery."

Don't say this

Handle with care. Do not confuse backup (noun/verb for data copies) with back up (phrasal verb meaning support or reverse). Also, backup is not interchangeable with restore or recover, which are separate processes.

✕We need to backup our data for security.
✓We need to back up our data for security.— When used as a phrasal verb (two words), it should be 'back up'. 'Backup' as one word is a noun or adjective (backup drive, backup system).
✕The backup restored all our files automatically.
✓We restored all our files from the backup automatically.— Backup is the copy itself; restore is the action of recovering from it. The backup does not restore; you restore from a backup.
✕We have many backups but no backup strategy.
✓We have many backups but no backup plan or retention policy.— In context, 'strategy' can be vague. Use 'plan', 'policy', or 'procedure' to be more specific about what is missing.

Other forms

noun

backup

"We store the backup on an external drive."

verb

back up

"You should back up your files every week."

adjective

backup

"The backup server handles traffic if the primary fails."

Often used with

take a backupCreate a copy of data; used as a request or instruction in meetings.
backup planAlternative course of action; common in risk and disaster recovery discussions.
backup storageThe location or system where backups are stored; used when discussing infrastructure.
backup retentionPolicy on how long backups are kept; important in compliance and cost management.
daily/weekly backupFrequency of backup operations; commonly discussed in SLA and maintenance contexts.

Similar words

copyBackup is more specific; copy is broader and includes any duplication.
archiveArchive often implies long-term storage and access restrictions; backup focuses on recovery.
replicaReplica typically means a live synchronized copy; backup is usually offline or periodic.

Opposites

restoredeleteprimary

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Practice

Try it

4 quick exercises

Pick the most natural phrasing

1. Your manager asks when you will copy the production database. What do you say?

Complete the sentence

2. We need to _______ our critical files to cloud storage before the migration.

Spot the mistake

3. Which sentence uses 'backup' or 'back up' incorrectly?

Rewrite naturally

4. Rewrite this using 'backup' or 'back up' in natural tech English: 'We need to make a copy of all important files and keep it in a safe place so we can recover them if something goes wrong.'

Questions

Quick poll

Have you said "backup" in a standup this week?

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