The following article provides general steps to troubleshoot a Company file, Backup or other type of file that will not open or restore in QuickBooks. For information specific to a particular error message, search the knowledge base for information on the error message as it appears in QuickBooks.
A file may not open successfully in QuickBooks for a number of reasons. These include using an incorrect method to open the particular type of file, problems with reports or other windows open within the file, using the wrong version of QuickBooks to open the file, issues with the location of the file such as access permissions, compressed or encrypted files, problems with the file name and file extension, or damage to the data in the file itself.
Error messages may include:
Intuit recommends several solutions for this problem. The first solution may solve your problem, or you may need to try all of them to resolve the issue. For best results, perform the solutions in the order shown.
Before troubleshooting issues with the company file, make sure the issue you are experiencing is related to the file rather than the program. To do this, press and hold the Control (Ctrl) key while double clicking the QuickBooks icon. If the program still does not open while holding Ctrl, see QuickBooks won't open or start. Otherwise continue with the steps below.
Update to the latest release:
Go to the Update to the Latest Release web page.
IMPORTANT: Make sure your product is selected. If not, click "Choose a different product."
Select and follow the instructions for one of the update options:
Accountant's Copy: Under Accountant's copy in the File menu, select Convert accountants copy transfer file.
If the file is located on a networked drive, move it to the local drive of the computer on which you are working. If it opens there proceed to troubleshoot the network configuration. You can download and use the QuickBooks File Doctor to help you with this process.
Note: You can check the location of the company file if it has previously been opened in QuickBooks by choosing Open a previous company from the File menu in QuickBooks.
Note: If the file does not show an icon or 3 letter extension, or if it shows the wrong icon or extension, you will need to add or edit the file extension depending on the type of file. For more information, see File extensions used in QuickBooks for Windows. For instructions on editing the file extension, see section on Editing file extensions below.
Note: Deleting the transaction log file is not recommended as it can be used to recover lost data.
To prevent the error from happening again, always copy the transaction log file with the company file when moving data from one computer to another
In Windows, file extensions do not show by default and must be turned on to be edited. Show file extensions in Windows.
If possible, try moving the company file to another computer and opening it there. If it opens on this computer, there are problems on the first computer either with QuickBooks, or the system itself.
If the file still cannot be opened, it is likely that the file is damaged. Contact Technical Support.