Instead of "Downloading" or "Uploading" via the plugin interface, which triggers the 5GB check:

Sometimes the plugin isn't the only bottleneck; your server might be blocking large file transfers. You can try to override this by adding the following code to your .htaccess file in the root directory of your WordPress site:

: If the plugin continues to block the file, consider using dedicated managers like JDownloader or the official MEGA app, which are better at handling the "resume" functionality when quotas are hit.