In this case I will surely require to read the. How do I change convsrt file name extension? I have not tried the disc yet in a different computer to see if it will open Even procedures that are not designed to harm files, can harm files, depending on the issue with the system. Some did, some didn’t, mostly folders where effected. If you’re asking for technical help, please be sure to include all your system info, including operating system, model number, and any other specifics related to the problem. Short instruction and hints on how to easily convert a QBB file. These files are proprietary and cannot be read by any other software. A QBB file is created by Intuit’s Quick Books software when the backup feature is utilized. If you need to open Quickbooks in Excel, here is instructions (it may work. I read that this can be done but I have not tried it.