## LEGACY > Starting NZBGet v23 all extensions should be using Extension Manager with new extensions format - it allows manage/update/install extensions easily, new approach is simple and flexible. > NZBGet v23 (Extension Manager) is compatible with new extensions and legacy extensions. If you run NZBGet v22 or older - following information may be helpful: - [Extension scripts](https://nzbget.net/extension-scripts) - [Extension scripts forum](https://forum.nzbget.net/viewforum.php?f=8&sid=dc9d094d3efcafe6c217cbceae9ea721)