How can I make a simple backup plan for my important files?
Quick answer
List the files you would hate to lose, choose how often to back them up, and decide where each copy will live. For important data, CISA recommends keeping three copies in total, on two different types of media, with one copy offsite [S1]. Write down the routine and occasionally check that you can retrieve a file. The right schedule depends on how often your files change.
The question, the details, the next step.
I know I should back up my important files, but I don’t have a plan. What should I start with?
Start by making a short inventory—not by trying to back up everything at once. List the files or collections you would struggle to replace: for example, personal documents, photos, creative projects, or records you need to keep. Those are examples, not a claim that every person has the same priorities.
Then use the 3-2-1 approach as a planning target: three copies total (the primary copy and two backups), two different media types, and one copy offsite. That is the approach CISA recommends for important data [S1]. The document does not set a personalized schedule or decide which files matter most to you, so those choices belong in your own worksheet.
How do I turn that into a plan without getting bogged down in brands or technical settings?
Write down the job each copy will do before choosing a service or device. For example, one copy might be the files you normally use, another a backup stored on a different type of media, and a third kept somewhere offsite. Treat these as placeholders: choose options that fit your circumstances, and confirm their details with the provider or product information rather than assuming every option works the same way.
Here is a copyable worksheet. The example entries are hypothetical; replace them with your own:
- Files to protect: [photos, documents, projects, or other priorities]
- Where the main copy lives: [location or service]
- Backup copy A: [type of media and location]
- Backup copy B: [different type of media and offsite location]
- How often I will back up: [schedule]
- When I will check a restore: [date or recurring reminder]
- Who will handle it, if shared: [name or role]
How often should I back things up? I add photos every week but only update some documents now and then.
Choose a schedule based on how much recent change you are willing to recreate if a backup is out of date. There is no single schedule in the cited CISA document for every household [S1]. As an illustrative starting point, you might review the photo collection weekly and less frequently changed documents monthly. Those intervals are examples, not official recommendations; adjust them to your routine and the importance of the files.
Make the routine easy to remember: attach it to a regular activity, put it on a calendar, or assign it to a person if more than one household member is involved. In the worksheet, include what you will do if you miss a backup—for example, resume at the next scheduled reminder—rather than letting one missed date cancel the plan.
How can I tell whether the plan is useful, and what should I do if I can’t restore a file?
Include a small recovery check in your plan: pick a file you can safely use for a test, try retrieving it from a backup, and note the date and result. This is a practical planning suggestion, not a test procedure or a guarantee that every file can be recovered. If you cannot retrieve something important, record what happened and consult the relevant service or product’s support instructions; avoid guessing at unfamiliar settings.
For example, a hypothetical plan might read: “Protect family photos and household documents. Keep the main copies in [location], maintain two backups using [different media types], with one at [offsite location]. Review photos weekly and documents monthly. On [date], check whether I can retrieve one chosen file. If the check fails, write down the file, backup location, and message shown, then ask [qualified support contact] for help.” The plan is useful when you can tell what to protect, where the copies are, and what the next action is.
A practical checklist
List the file groups you most need to preserve.
Record the main copy and both backup locations.
Check that the plan targets three copies, two media types, and one offsite copy [S1].
Choose a schedule that reflects how often important files change.
Set a reminder to try retrieving a chosen file and record the result.
A few more useful answers
Does the 3-2-1 approach tell me how often to back up?
No. The cited CISA document describes the number of copies, media types, and offsite copy, but does not prescribe a schedule for every household [S1]. Choose a routine that fits how often your important files change.
Do I need to back up every file on every device?
Start with an inventory of what you would find difficult to replace. Your worksheet can focus on those priorities; the cited source does not provide a personalized list of what each household should protect [S1].
What should I write down after a recovery check fails?
Note which file you tried, where the backup copy was supposed to be, when you checked, and any message you saw. Use that record when consulting the relevant product or service support instructions.
Sources
References used for this guide.
- [S1] Data Backup Options cisa.gov · Checked