After installing a new version of QuickBooks, you update your company data file by opening it in the new version. This process updates company files from any older version of QuickBooks to the newer one.
About updating your data file
Here are a few things you may want to do in your previous version of QuickBooks before updating your company file to the new version of QuickBooks.
To update your company data file:
If you cannot find your data file in its original location, and if it is not in the specified folder, search your hard drive for *.qbw files and try to find it that way. Be sure to include hidden files and folders in your search criteria