Microsoft says bug in classic Outlook hides the mouse pointer

Bleeping Computer

by Sergiu Gatlan

February 23, 2026

AI-Generated Deep Dive Summary

Microsoft is investigating a bug in its classic Outlook desktop email client that causes the mouse pointer to disappear, making the app unusable for some users. Reports of this issue began surfacing online nearly two months ago, with frustrated users noting that their mouse cursor suddenly vanishes while interacting with Outlook, hindering basic tasks like opening emails or copying text. The problem extends beyond Outlook, also affecting other Microsoft 365 apps to a lesser degree. The bug occurs when the mouse pointer moves across Outlook's interface, causing it to vanish despite still functioning in some ways—such as changing email colors when hovered over. Microsoft has acknowledged the issue and provided three temporary workarounds: clicking an email in the message list, switching to another app like PowerPoint and then returning to Outlook, or restarting the computer. While these fixes are available, a permanent solution remains pending further investigation by the Outlook team. This issue highlights broader concerns about software stability and user experience within Microsoft 365 applications. For users dependent on Outlook for productivity, such bugs can significantly disrupt workflows and increase frustration. Although no immediate timeline for a fix has been provided, the situation underscores the importance of reliable IT infrastructure in maintaining efficiency, especially in work environments where manual delays can compound issues further. The problem also raises questions about how Microsoft handles bug reporting and resolution processes. Users have expressed frustration over the delay in addressing the issue, emphasizing the need for timely updates to maintain productivity and user satisfaction. While Microsoft has taken steps to provide temporary solutions, the lack of a permanent fix underscores the challenges of maintaining legacy software like classic Outlook in an evolving tech landscape. In the broader context of IT infrastructure, such issues highlight the importance of automated response systems and workflows to mitigate manual delays and improve reliability. As modern work environments rely heavily on seamless technology integration, addressing bugs promptly not only enhances user experience but also supports overall organizational efficiency.

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Originally published on Bleeping Computer on 2/23/2026