There are still so many Upgrades from NAV to Business Central ongoing and I'm still seeing people struggling with old interfaces. In many projects it is not possible to update all other legacy systems beside Business Central to modern software. Since we have the "Universal Code Initiative" there are more and more update things which are not possible directly in BC. Some Examples: - File Access - Local Hardware Access - SQL Access - (and many more) But there is always an easy way to handle such problems. In my demo I will show you some ways to handle