It is important to have good and reliable software if you have a business to take care of. Such applications are helpful to an extent we could not imagine a few years back. In this page content, we are talking about one of the best accounting software in the market. QuickBooks! This application is super helpful for all finance-related activities like budgeting, tracking the funds, transferring funds, crediting salaries, etc. Although, there are times when this software has certain hiccups like the error code 6123 that we will be discussing in this article.