Open PowerPoint and navigate to the Office Timeline tab. Here, click on Help and then select About from the dropdown menu. Your Computer ID is a series of alphanumeric characters and will look similar to this: 6YTkKF5LAf7fsI7ONkc9Tw== Related ArticlesAdjusting your timeline's vertical positionCannot write to registry key HKCU\Software\Classes\CLSIDHow to manually install WebView2 RuntimeImport Swimlanes or Sub-Swimlanes from ExcelTurn your timeline into a Google Slide™