Apple's computer paper has been written and not saved. You can try downloading data recovery software to recover.

Download data recovery software

Step 1: Select the file location. On the main interface, check the location where the lost files are saved, such as the desktop. If the appropriate path is not found, please check the "whole computer". This will scan the entire computer.

Step 2: Scan and Preview Click Scan for a thorough scan. When finished, it will list all deleted files in the selected location. Step 3: Restore the deleted files. Check the target file, and then click the Restore button to save the restored data. If the disk is overwritten and permanent data is lost, do not save it to the same partition where the data is lost.