Q: "Hi... A consultant from mine came in to re-install some files today. Unfortunately, she overwrote some file by the same names. Were there any possible ways out there that can recover overwritten files from Mac?"
A: "Yes, there are ways to help you recover overwritten files on Mac. If you have maintained a backup copy of your Mac before the overwriting, you can use Time Machine to retrieve them. If you do not backup, you still don't need to worry. The overwritten files are still on your Mac. What you need to do is to stop using your Mac and look for a Mac File Recovery program to help you."
Here you can use Recoverit Data Recovery for Mac . This Mac data recovery software is able to recover a variety of files from your Mac, no matter if your files were overwritten or replaced on your Mac or other storage media. This file recovery program also offers a powerful data recovery solution for you to scan Mac and recover overwritten files.
Download and install Recoverit Data Recovery on your Mac, this guide we will focus on how to recover overwritten or replaced files on Mac. If you are working on PC computer, you can download Recoverit Data Recovery Windows version and follow the similar steps.
Step 1 Launch Recoverit Mac Data Recovery, you need select a location where your files deleted or overwritten and click "Start" button to get started.
Step 2 Recoverit File Recovery will start a quick scan to search overwritten files, it will take for a while to scan and search files from your Mac.
Step 3 After the scan, all found files will be listed to the left of the window. You can check your recovered files and click "Recover" button to get them back.
Note: Please do not save recovered files in their original locations, because this would lead to issue with overwritten data.
Due to macOS High Sierra (macOS 10.13) requirement, Mac users are not allowed an access to the built-in system drive from any apps. Therefore, if you need to restore lost data from the system disk under macOS 10.13, please "disable System Integrity Protection" first.
How to disable "System Integrity protection"? Please follow the steps below.
Step 1Reboot the Mac and hold down"Command + R" keys simultaneously after you hear the startup chime, this will boot OS X into Recovery Mode.
Step 2When the "OS X Utilities" screen appears, pull down the "Utilities" menu at the top of the screen instead, and choose "Terminal".
Step 3In the "Terminal" window, type in "csrutil disable" and press "Enter" then restart your Mac.