Internet recovery is quite a helpful feature included in all OS X and macOS. Well, you need to first understand what is mac internet recovery is to know about answers to questions that are going in your mind. Many users when they use internet recovery mode to reinstall Mac OS, some questions might come to their mind, such as 'if I reinstall OS X will it delete everything' or 'does internet recovery mode erase data'. How to Prevent Losing Data When Reinstalling Mac? How to Recover Lost Files after Reinstalling Mac OS? Data Loss during Reinstalling Mac in Recovery Mode