How to Back Up QuickBooks Desktop Safely

Backing up QuickBooks Desktop gives you a separate copy of your company data that you can restore if the working file is damaged, lost, or affected by a computer problem. A backup is not the same as simply copying the open company file: use QuickBooks’ backup process so the program can package the data appropriately. Menu labels can vary slightly by edition and version, but the core process is similar.

Before starting, make sure you can access the company file and have enough room on the destination drive. If other people use the company file, ask them to sign out first. For important records, keep more than one backup and store at least one copy somewhere other than the computer or drive where the original file is stored.

What You’ll Need

Access to QuickBooks Desktop: Open the correct company file and sign in with an account that has permission to back it up.
A backup destination: Use a folder on a separate drive, an external drive, or another approved storage location. Confirm that it has free space and that you can write files there.
Exclusive access if prompted: Other users may need to close the company file before QuickBooks can complete the backup or verification.
A safe handling plan: Company backups can contain sensitive business information. Restrict access and use your organization’s approved storage and security practices.

Step-by-Step

Open the correct company file. Start QuickBooks Desktop and open the company you want to protect. Check the company name and, if practical, confirm that it is the current working file rather than an old copy. Avoid beginning while the file is in the middle of an update or another maintenance task.
Have other users sign out. Ask anyone else working in the company file to save their work and close it. If QuickBooks says the file must be in single-user mode, follow the prompt or use the File menu’s Switch to Single-user Mode command, if available. Menu wording may differ slightly by version.
Open the backup command. Choose File > Back Up Company > Create Local Backup. In some editions or versions, the wording or submenu may be slightly different. Select the local backup option rather than assuming that an online service is included.
Choose a backup type. When the backup window appears, select Local backup if asked, then choose Options to set or review the destination. You may also see an option to perform a test or verification. Use it when available; it helps check that the backup file can be read.
Set the destination and filename. Browse to a folder on a separate drive or another approved location. Give the file a recognizable name that identifies the company and backup date, without using sensitive details unnecessarily. QuickBooks backup files commonly use the .QBB extension. Make sure you are not saving over the only usable backup.
Review backup options. Check the selected folder and any scheduling or reminder choices shown. A reminder is not itself a backup, and a scheduled backup only helps if the computer, storage, and QuickBooks setup allow it to run. Do not select settings you do not understand; you can create a manual backup now and configure scheduling separately.
Run the backup. Confirm the options and start the process. Keep QuickBooks open while it works, and do not unplug an external drive or interrupt the computer. If prompted to verify the file or switch modes, follow the on-screen instructions.
Confirm completion. Wait for QuickBooks to report that the backup finished. Then use File Explorer to check that a new file exists in the intended folder, has a plausible size, and has the expected .QBB extension. A completion message is useful, but checking the actual destination catches a wrong-folder selection.
Protect and rotate the copy. Safely eject an external drive after writing finishes, if applicable. Store it securely and keep another copy on separate storage when possible. Retain a sensible set of older backups rather than replacing every previous copy with the newest one.

Common Mistakes

Saving only beside the company file: A backup on the same computer or physical drive can be lost in the same failure as the original. Keep a separate copy elsewhere.
Confusing file types: A .QBB backup is intended for restoration; it is not the same as the active .QBW company file. Do not rename a backup extension to make it appear to be a working company file.
Assuming a reminder means a backup exists: A reminder, schedule, or cloud-sync status does not prove a current backup was created. Check the file and date directly.
Overwriting the only good copy: Keep more than one dated backup when practical, especially before substantial changes or maintenance.
Leaving sensitive files exposed: Do not place an unprotected company backup in a shared folder or on a portable drive that anyone can access. Follow your business’s security rules.

Tips

Back up before major changes, such as upgrades, file repair, or data cleanup, as well as on a regular schedule suited to how often the company file changes.
Use a consistent naming pattern, such as company name plus date, so you can identify the correct backup later.
Keep backups on separate storage and, where appropriate, maintain an additional protected copy at another location. Syncing a folder can help with access, but it should not be your only protection.
Occasionally confirm you know how to restore a backup. A backup that has never been checked may not be useful when you need it. If you test a restore, use a separate folder or computer so you do not replace the active company file.
Remember that restoring a backup returns the company data to the point when that backup was made. Work entered afterward may not be included.

Troubleshooting

QuickBooks says another user is in the file: Ask users to save and sign out. If no one appears to be using it, make sure no other QuickBooks session is open on a workstation or server, then follow the program’s prompts. Do not force-close a session while someone may be entering data.
The destination is unavailable or full: Check that the drive is connected, appears in File Explorer, and has sufficient free space. Choose a permitted folder with available capacity, then retry.
The backup stops or reports an error: Note the exact message, close unrelated applications, and try again without interrupting QuickBooks. Check that the company file opens normally and that the destination allows you to create files. If the company file itself reports damage, use QuickBooks’ official repair guidance or contact a qualified QuickBooks support provider before making changes.
You cannot find the backup: Reopen the backup settings and inspect the destination path. Search for the company name or .QBB in File Explorer, and sort by date. Avoid running repeated backups to random folders before identifying where the earlier copy went.
Verification fails: Do not rely on that backup. Create another copy to a different destination if possible, preserve the original company file, and consult QuickBooks support if verification continues to fail.
You need to restore: Use QuickBooks’ Restore Backup Copy workflow and select the .QBB file. Restore to a new location or use a clearly identified company filename when possible; restoring over the working file can replace newer data. If unsure, get help before confirming the replacement.

Frequently Asked Questions

How often should I back up QuickBooks Desktop?

Choose a schedule based on how often data changes and how much recent work you could recreate if needed. Back up before significant changes, and check regularly that scheduled or manual backups are actually appearing in the expected location.

Where should I save a QuickBooks backup?

Use storage separate from the computer or drive holding the working company file, such as an external drive or approved network location. Keep access restricted because the backup may contain confidential business data.

What is the difference between a .QBB and .QBW file?

A .QBB file is a QuickBooks backup copy used for restoration. A .QBW file is the company file you normally open to work in. Keep each in its proper role and do not change extensions as a substitute for restoring.

Can I back up QuickBooks while others are using it?

QuickBooks may require other users to close the company file or may ask you to switch to single-user mode. Follow the prompt and make sure users have saved their work before proceeding.

Does a backup include every QuickBooks-related file?

A company backup protects company-file data, but it may not replace separate copies of documents, attachments, templates, or other files stored outside the company file. Identify and back up any related records your business needs separately.

How can I tell whether a backup will work?

Confirm the file exists, has a plausible size, and passed QuickBooks verification if that option was available. For stronger assurance, test a restore in a separate location without replacing the active company file.

Further reading: Intuit QuickBooks Support. Details can change, so check the official page for anything that matters to you. Spotted a mistake? Tell us. How we write an answer.