QuickBooks is one of the most popular accounting tools, which has become the first choice of business people. It is extremely useful for all business users to maintain the financial tasks in the proper ways. When I attempt to open a company file not located on my computer system, I am frequently experiencing QuickBooks error H505. I am facing this error code first time, hence I am not able to work on my tool perfectly. This error code can take place, when QuickBooks company file required some extra configuration. Hence, it has become a big problem for me. So anyone can ensure the best methods to fix this error code permanently.