Add to functions.php or Code Snippets
<?php
add_action('pmxe_after_export', 'wpae_get_file_after_export', 10, 2);
function wpae_get_file_after_export($export_id, $exportObj){
$is_secure_export = PMXE_Plugin::getInstance()->getOption('secure');
if (!$is_secure_export) {
$filepath = get_attached_file($exportObj->attch_id);
} else {
$filepath = wp_all_export_get_absolute_path($exportObj->options['filepath']);
}
$filename = basename( $filepath );
$path = str_replace( $filename, '', $filepath );
if ( $exportObj->exported == 0 ) {
$filename = explode( ".", $filename );
$full_glob_search = $path . "*" . $filename[0] . "*";;
if ( $files = glob( $full_glob_search ) ) {
foreach ( $files as $file ) {
unlink( $file );
}
}
}
}