Can I use an old class with a new class? Classting Support August 19, 2022 06:45 Updated You can use the existing version class you were using until 2021.Starting in 2022, if you create a new class, it will be opened as a new version, and please note that it is difficult to open a new class in the previous version. Related articles Can I upload many photos and videos to a post at once? Can I create an old class? I want to close(delete) the old class. How do I join a class?