Learn how to fix QuickBooks cannot open this company file issue
                     Resolve the Error: 
QuickBooks Cannot Open 
this Company File
A warning notice that reads, QuickBooks can't find the company file, may occasionally appear 
when users try to open a company file in QuickBooks. However, 
QuickBooks cannot open this company file error arises when you cannot open a company 
file in QuickBooks due to data damage or corruption-related errors. This problem typically 
occurs when attempting to access, rename, or relocate your company file.
Such an error can be highly troublesome for QuickBooks users. To assist you in resolving this 
issue, this article provides comprehensive details on successfully eliminating the "cannot open 
QuickBooks company file" error.
You can reach our technical support staff at a toll-free number 1.855.856.0042, and we 
can assist you in resolving this company file issue and address any other questions you 
may have about QuickBooks.

What Causes of Company File Issues in QB?
This issue can disrupt the business operations of any organization, but it can be resolved 
with ease. Below are some common reasons for being unable to open the QuickBooks 
company file or encountering QuickBooks error 6177:
• When Company File Integrity Issues.
• If Issues with ND and TLG Files.
Solution Steps for Company File Issues in QB
Now that you understand the underlying causes of the QuickBooks company file not 
opening error or QuickBooks can't find company file error, it's time to take the necessary 
steps to resolve it.
Solution 1: Execute Verify and Rebuild Data to examine any issues with 
data integrity
First, we will use the Verify Data tool to test the company file. If there are integrity issues with 
the company file, we will use the Rebuild Data utility to resolve the data integrity problem in 
QuickBooks.
To confirm the data:
• Open your QuickBooks Desktop application.
• Now, click on File, then hover over Utilities, and choose Verify Data.
• The time taken to verify data depends on your company file size. You will receive one of the 
following results:
• Verify Data found no issues with your company file.
• Your company file data has integrity issues, indicating data file damage. In such cases, 
proceed with rebuilding data.
To Rebuild Information:
• Go to the File menu, hover your mouse cursor over Utilities, and select Rebuild Data.
• Click the Browse option and choose the company file you want to repair.
• A prompt will appear asking you to create a backup of your current company file.
Solution 2: Rename the current TLG and ND files
Renaming (.ND) and (.TLG) files is a recommended troubleshooting step to address issues 
when QuickBooks cannot open the company file due to network or (.qbw) file damage.
• Press the Windows + E keyboard keys to open File Explorer.
• Navigate to the directory where your QuickBooks Company File is located.
• In the Company File Directory, locate two files with similar names but different extensions:
• MyCompanyFile.nd
• MyCompanyFile.tlg
• Select the Rename option for both files and append. OLD to each file name:
• MyCompanyFile.nd.OLD
• MyCompanyFile.tlg.OLD
• Finally, restart the system and attempt to open the company file again.
We trust that the troubleshooting steps above were effective in resolving the issue 
of QuickBooks cannot open this company file on your QuickBooks Desktop. However, if 
QuickBooks still does not open the company file even after successfully repairing it, then our 
QuickBooks enterprise technical support staff can assist you. Speak with a live professional 
today at 1.855.856.0042 about any of your issues!