In Origin 2018, we support executing UTF-8 files in Code Builder.

1. All code files (*.c, *.ogs etc.) Origin ships (so it is placed EXE folder) is kept as ANSI.
2. When create a new empty code file, it is also ANSI. However, when saving, we will pop up msg to ask to if save as Unicode when Unicode characters appear.

This file contains characters in Unicode format which will be lost if you save it as an ANSI encoded file.
Click Yes to save as Unicode (UTF-8) encoding format.
Click No to save as ANSI.