If the file is severely damaged, some users use XML editors to manually fix headers, though this is for advanced users only. Since EDIUS uses a permanent license model rather than a subscription, ensure your eID (EDIUS ID) is correctly logged in to verify project-specific plug-ins that might be blocking the load.
By understanding Edius project files and taking preventative measures, you can minimize the risk of file corruption or locking. If issues arise, try the methods outlined above to unlock or access your Edius project files. edius project file ezp unlock