Unless they were already installed when you first got your PC, they will be gone if you factory reset it. Microsoft Office isn’t part of Windows as many people mistakenly believe. Here's how to restore a laptop or PC to factory settings.Restoring your laptop or PC to factory settings is something you might want to do if it’s full of malware or viruses, or simply because you want to sell it on or give it away. However, this process will wipe not only all your files – music, photos, videos and documents – but also any programs you installed after getting the laptop out of its original box, including Word, Excel, PowerPoint and other Office apps.