Find Base Application Object in BC D365:
Open Visual Studio and go to File>Open File as shown (let’s take an example to open Customer Table al)-
After that select BC D365 setup folder, as shown-
Open the folder and go to Applications>BasApp>Source and then copy the “Base Application Source” file and save it in a different folder-
Extract the file and save as shown-
Open the folder, all the base app objects and Al code is saved in the form of “.al extension”-