To know how to fix QuickBooks error 600, you need to follow the steps which have been mentioned below:
- Access the folder containing the company file.
- Now search for the files that have the same name as your company but with the extensions of ‘.ND and .TLG’.
- Now you must rename both of these files and put the word ‘.OLD’ at the end of the names.
- Try to access the company file again after opening QuickBooks.
If these steps fail to solve the problem, you may also contact QuickBooks Technical Support Number to get the help of experienced technicians.
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