File Manager general Esun_FileManager::filemanager General Settings Enabled Magento\Config\Model\Config\Source\Yesno Allowed Extensions Comma or whitespace separated. Executable server-side script extensions are always blocked. Esun\FileManager\Model\Config\Backend\AllowedExtensions required-entry Maximum File Size Maximum size per file in MB. PHP upload_max_filesize and post_max_size must also allow it. Esun\FileManager\Model\Config\Backend\MaximumFileSize required-entry validate-number validate-greater-than-zero Upload Path Relative to pub/media and restricted to uploads or a child path of uploads. Esun\FileManager\Model\Config\Backend\UploadPath required-entry