You need to take backup of essential data because, if you didn’t find your deleted file in Trash then you can easily restore it back from backup file. If you don’t have backup then no need to worry because, Mac file recovery helps you to recover deleted files from Mac OS until and unless the data has not been overwritten.
Se non si dispone di backup allora c'è bisogno di preoccuparsi perché, Mac File Recovery aiuta a recuperare file cancellati da Mac OS fino a visualizzare e meno che i dati non è stato sovrascritto.