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    How to use the Verify Data utility

    Article ID: 1000464


    The Verify Data utility checks for damage to your company file. You might want to verify your data in the following situations:

    • You receive errors such as Invalid Protection Faults or Fatal Errors when you use QuickBooks.
    • You notice discrepancies on reports, such as invoices or bills that post with a negative values. Be sure to check for the correct dates and report basis (cash versus accrual) when troubleshooting report discrepancies.
    • Payments that have been deposited show up in the Payments to Deposit window.
    • Balance sheet reports do not show all accounts.
    • Names are missing from lists.
    • Transactions are missing.
    • You want to run a well-data checkup to make sure your company file is error free.

    If you are using Assisted Payroll, contact Payroll Support before you attempt to rebuild a company file.

    Expected Outcome

    You will learn whether your QuickBooks data contains errors.


    You want to check that your QuickBooks data is error free or you want to correct data errors.


    To use the Verify Data utility:

    Choose Window > Close All.

    Choose File > Utilities, and then select Verify Data. If the message QuickBooks detected no problems with your data appears, you do not need to take further action.

    If the message Your data has lost integrity appears, there is damage in the file. QuickBooks displays instructions for using the Rebuild Data utility to attempt to repair the data damage.

    1. You can view the Qbwin.log file before using the Rebuild Data utility.
    2. Before using Rebuild Data, press F2 or Ctrl + 1 to open the Product Information window and note the file information in the window for future reference.
    These are instructions to the Rebuild Data utility

    After you use Rebuild Data, use the Verify Data utility again to check for any remaining damage.

    If there is still damage, you can try restoring a recent backup. Make sure that you do not overwrite your existing company file.

    1. Choose File > Restore.
    2. Any information entered in the company file since the backup must be manually reentered after you restore.
    Refer to restoring a recent backup for more information.

    After the backup is restored, use the Verify Data utility again. If there is still damage, you can rebuild the restored file again, and then check it again with the Verify Data utility.

    If you still have file damage, review the QuickBooks support options for additional guidance.

    The Verify Data utility logs any errors it finds in a file named qbwin.log. Each time you verify, rebuild, condense, or update your data, any issues found are added to the end of the file. The qbwin.log file may become very large. An easy way to identify only current errors is to rename the file, located in your QuickBooks folder, to qbwin.old. QuickBooks will create a new Qbwin.log file to store the most recent Verify Data results.

    If you have QuickBooks 2016 you can access the results of the last Verify/Rebuild:

    With QuickBooks open, press the Ctrl 1 keys (or the F2 key) to open the Product Information window.  When the Review last Verify/Rebuild button is clicked in the bottom right corner, the Verify Results window will open to display the results of the last Verify/Rebuild.

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