Macbook pro is a type of laptop, installed with Mac operating system. It is probable that your OS crashes and the data saved goes missing. You then go panic. Don't worry, the data lost or deleted is not deleted completely, only the index listing is erased and data remains there. If you have back up of the file then you can easily restore it back. By the way there are various causes responsible for data loss. These are;
Abrupt Deletion: If you deleted the saved data unintentionally and accidentally then you can recover it from Trash Bin and if you delete it from there also then there is sure data loss creating the need for Macbook Pro recovery.
Accidental Formatting: Formatting means deletion of files and folders. Formatting is done to improve the efficiency of the computer. It increases the speed of computer. But, before formatting make sure that you are not deleting the important files and documents. If you format the volume then there is heavy data loss that necessitates Macbook pro recovery.
Conversion of file system: If you convert one file system to another file system then there is possibility that you may face heavy data loss.
To conclude, it is suggested to use the Mac data recovery software for Macbook pro recovery.