Restore a .QBB file in Quickbooks for Mac
- Copy the .qbb file to your Documents folder.
- In QuickBooks for Mac, choose File > Open Company, select the .qbb file, and then click Open.
- Click OK on when asked if you want to restore a QuickBooks for Windows file.
- Enter a name for the restored file, and then click Save.
Depending on the size of your data file, the conversion process can take up to ten minutes. When conversion is complete, QuickBooks opens the file.