How to recover files after reinstalling macOS Remember to stop using the hard disk where the important information used to be stored, otherwise it will be lost after overwriting. This peculiarity lets you recover files after reinstalling the Mac operating system – if you start recovery operations immediately. As a result, it removes the file catalog but doesn’t write anything to the hard disk, so that the original data doesn’t get overwritten. However, sometimes having a backup copy is not enough to recover lost or removed files, as there could always be some unpredictable things.ĭuring the reinstall, the operating system performs a quick erase operation on the corresponding volume. This would be the best way to secure your data against possible loss. If you decided to reinstall the operating system and format the hard disk in the process, you should backup important data in advance to save yourself the trouble of trying to recover it somehow.
How to Recover Data from iMac, MacBook, Mac Pro, USB Drives and Memory Cards: With a Windows Utility Introduction
