Hello I am Olivia Munn. No, it's not possible to directly merge different QuickBooks file extensions. Each QuickBooks file extension represents a specific type of file format used by the software. For instance, .QBW is the primary company file extension, while .QBB is a backup file. Attempting to combine these files directly would likely result in data corruption or loss. To consolidate information from multiple QuickBooks files, you'll need to use the software's built-in features for importing and exporting data.