GUID Partition Table (GPT) is a partition style that was developed by Intel in the late 1990s. What Is a GPT Partition?īefore you can use a disk drive to store data, you first need to partition it. Continued use could result in the data being overwritten with new data. ⚠️ Note: In the interest of making sure your data is still recoverable, stop using the disk with the missing GPT partition until you’ve finished reading this article.