When files like document, excel and audio files are overwritten by your operation or system error, they're still on your Mac's hard drive and there're methods for you to restore the previous versions of them. You can learn how to recover overwritten files from Mac (macOS Sierra, macOS High Sierra included) in 2 ways with this guide.
Technically, the overwritten files are not really disappeared. It doesn't mean the physical disk space was overwritten and they might have been stored elsewhere on the physical drive. You can possibly restore overwritten documents by using a Mac data rescue application.
iSkysoft Mac Overwritten File Recovery is a powerful utility that enables you to recover overwritten files from your Mac or storage media like external hard drive, memory card and USB drive. By using it, you can effortlessly all types of overwritten files, such as document files, photos, videos, music files, etc. Besides, it's now fully compatible with the latest Mac OS X 10.13 (High Sierra).
A Life Saver to Solve Your Data Loss Problems!
Step 1. Select the File Types of Overwritten Data
Recoverit (IS) for Mac offers you 6 file type tabs to recover desired overwritten or deleted files from your Mac. After selecting the file types in the start window, let's click "Next" button to begin. (macOS High Sierra user please remember to disable SIP on Mac OS 10.13 firstly before you use any data recovery software.)
Step 2. Scan the Volume That Contains Overwritten Files
Then you just need to select the volume that contains your overwritten files and click "Start" to begin searching for overwritten files. If the default quick scanning process can not find your deleted files, you can also trigger "Deep Scan" to deeply scan the drive.
Step 3. Recover Overwritten Files Mac
After scanning, all found contents will be listed in file structures in the program window. You can view original file names and properties or preview photos/documents to check whether your overwritten files can be restore or not.
Then you can simply select the found overwritten files and click "Recover" to save them back to your Mac.
Time Machine backup is the easiest way for you to recover overwritten files from Mac if you are lucky enough.
You need to find the containing folder of overwritten files by using "Finder". Then you can open "Time Machine" application to check the containing folder. If the overwritten files are in Time Machine backup, you can select then and click "Restore" to retrieve the old versions of overwritten files.