Hi there, nateeric. I understand that you want to verify if it's safe to delete the temporary files, and you'll want to know what they are for.

The DAT extension is a generic file with critical information about the programs used to create a specific file. It's usually made during file registration in QuickBooks Desktop. 

Yes, you can delete temporary files. However, it's recommended that you seek assistance from your IT personnel. They can guide you through the process and ensure that only the appropriate files are removed.

Additionally, it's essential to back up your company file to safeguard against data loss. It ensures the safety and integrity of your financial data in the event of unforeseen circumstances.

Moreover, you can visit our Help pages. It contains detailed articles that provide comprehensive instructions and guidelines on managing QuickBooks Desktop more efficiently.

I'm still around whenever you need further assistance and information regarding QuickBooks-related concerns. I'm always here to help you.