To check if this is the case with OneDrive icon as well, simply click the arrow-shaped icon to the left of the system tray, and you should be able to see all hidden icons within a separate pane. Windows 10 often tends to hide various icons just because there are too many of them on the system tray. There are a few possible reasons why the OneDrive icon can go missing, and the following troubleshooting tips should help you get it right back. But what if it goes missing? Aside from losing out on crucial OneDrive statuses and the ability to manage the cloud storage service, you are left in the dark as to whether OneDrive is even functioning normally. It provides all sorts of visual clues that can help you determine what goes on at a quick glance.