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Code & Deliveryback upphrasal verb · /bæk ʌp/

How to Say "back up" at Work

back up — To make a copy of data or files for safekeeping or recovery purposes.

In simple English

To create a duplicate of important data or files that can be restored if the original is lost, corrupted, or deleted.

How to say it: The verb is two words: "back up". The noun is one word: "a backup".

Someone heard a colleague say "back up" at work and wants to know what it means in a tech context.

Part of Code Reviews & PRs in the Knowledge Base.

At a glanceCEFR A2–B1
Commonness4/5
Versatility4/5
FormalityCasualFormalNeutral
Spoken ↔ WrittenSpokenWrittenBoth
Directness ↔ DiplomaticDirectDiplomaticNeutral
RegionUS and UK

Say it like this

  • Make sure you back up before deploying.
  • Did anyone back up the database last night?
  • I need to back up my local changes before merging.
  • We back up to S3 every six hours.
  • Always back up your work — you never know.

Use it at work

Before risky work

  • Let's back up the database before we run the migration.
  • Did you back up your local changes before the reset?

Setting up systems

  • We back up production every six hours.
  • Make sure the laptop backs up to the cloud.

Supporting a teammate

  • I'll back you up in the meeting if they push back.
  • Can you back me up on the timeline?

Don't say this

✕I need to backup the files.
✓I need to back up the files.

As a verb, it's two words: 'back up.' The one-word 'backup' is a noun or adjective.

Don't mix it up

How back up differs from similar terms
TermWhat it isWho writes or uses itWhen
back upVerb: to make a copy of dataAnyone"Please back up the files."
backupNoun: the copy itselfAnyone"Restore from the backup."

Practice

Try it

4 quick exercises

Choose the most natural sentence

1. What's the best way to say this?

Find the error

2. Which sentence has a mistake?

Complete the sentence

3. Make sure you ______ the config files before making any changes.

Rewrite correctly

4. I will backup the server tonight. (fix the verb form)

Say it out loud

Phrase 1 of 5

"Make sure you back up before deploying."

We don't save your recording. The word check uses your browser's speech recognition.

More about back up

Real examples(7)

  • Standup

    "I'm going to back up the production database before we start the migration."

  • Slack message

    "Hey, can you make sure to back up the config files before making changes?"

  • GitHub PR

    "Please back up the existing schema before running this migration script."

  • Jira ticket

    "Subtask: Back up all user data before the scheduled maintenance window."

  • Retrospective

    "We should have backed up the logs before clearing them — lesson learned."

  • Sprint planning

    "We need to include a task to back up the staging environment before the release."

  • Pair programming

    "Let me back up my branch first, just in case we break something."

More mistakes(2)

  • ✕I backed up it to the cloud.
    ✓I backed it up to the cloud.

    With phrasal verbs, pronouns go between the verb and particle: 'backed it up,' not 'backed up it.'

  • ✕Don't forget to back up up your data.
    ✓Don't forget to back up your data.

    You only need one 'up' — don't double it.

Other forms(5)

  • back up verb (base)

    "We need to back up the server."

  • backed up verb (past)

    "I backed up the database yesterday."

  • backing up verb (-ing)

    "The script is backing up the files now."

  • backup noun

    "Do we have a backup of the config?"

  • backup adjective

    "Use the backup server if the main one fails."

Often used with(5)

  • back up the database · Most common in DevOps and data engineering contexts.
  • back up to the cloud · Refers to storing copies on cloud services like AWS S3 or Google Cloud.
  • back up regularly · Emphasizes doing it on a schedule, not just once.
  • back up before deploying · Standard safety practice — save a copy before making changes.
  • automatically back up · When a system does it without manual action.

Similar words(4)

  • save a copy · More general, less technical — used for any kind of file saving.
  • archive · Similar but often implies long-term storage, not quick recovery.
  • snapshot · A specific type of backup, often used for VMs or cloud instances.
  • replicate · More about creating live copies across systems, not just for recovery.

Opposites(4)

  • delete
  • restore
  • wipe
  • overwrite

Questions(6)

What's the difference between 'back up' and 'backup'?
'Back up' (two words) is the verb: 'I need to back up the data.' 'Backup' (one word) is a noun or adjective: 'Do we have a backup?' or 'Use the backup server.'
Is 'back up' only used for data?
In tech, 'back up' usually means copying data. But it can also mean 'support someone' ('I'll back you up in the meeting') or 'move backward.' Context tells you which meaning.
How do I say someone should make backups regularly?
Say 'You should back up regularly' or 'Make sure to back up your work often.' The adverb goes after the phrasal verb.
Can I say 'backed up the files' or 'backed the files up'?
Both work! With a noun, you can put it after 'up' or between 'back' and 'up.' But with pronouns, always say 'backed them up,' not 'backed up them.'
What's the past tense of 'back up'?
The past tense is 'backed up.' Example: 'I backed up the database before the release.'
Is 'back up' formal enough for documentation?
Yes. 'Back up' is standard in technical documentation, runbooks, and procedures. It's neutral and widely understood.
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