Microsoft notes that a disappearing mouse cursor may also be observed in OneNote and other Microsoft 365 applications, but that classic Outlook is affected the most.

Microsoft has confirmed it is investigating a frustrating bug in the classic version of Microsoft Outlook for Windows, where ...

Microsoft is investigating a known issue that causes the mouse pointer to disappear in the classic Outlook desktop email ...

If your mouse is not working in games on your Windows 11/10 PC, this article lists some effective fixes to help you resolve this problem.