• Microsoft says bug in classic Outlook hides the mouse pointer February 23, 2026 02:40 PM 1 Microsoft is investigating a known issue that causes the mouse pointer to disappear in the classic Outlook desktop email client for some users. • This bug has been acknowledged almost two months after the first reports started surfacing online, with users saying that Outlook became unusable after the mouse pointer vanished while using the app. • “My mouse just stopped being visible while I am using Outlook, and this is very, very, frustrating because my permission wasn’t given to make these changes, and now I can’t find anything, can’t open emails, can’t copy and paste, and the list goes on and on,“one customer noted. • Microsoft explained in arecent support documentthat the mouse pointer (and in some cases the cursor) will suddenly vanish as users move it across Outlook’s interface, and noted that this bug also affects some users of other Microsoft 365 apps. • “When using classic Outlook, you may find that the mouse pointer or mouse cursor disappears as you move the pointer over the Outlook interface,” it said. • “Although the mouse pointer is not there, the email in the message list will change color as you hover over it.

Article Summaries:

  • Microsoft is investigating a bug that causes the mouse pointer to disappear in the classic Outlook desktop client for some users, a problem first reported nearly two months ago. The issue makes Outlook unusable, as the cursor vanishes when moving across the interface, though the email list still responds to hover. Microsoft notes the glitch also affects other Microsoft 365 apps to a lesser degree. The company has offered three temporary workarounds-clicking an email, switching to PowerPoint and back, or restarting the PC-and is asking affected users to submit diagnostic logs to the Outlook Support Team for a permanent fix.
  • Microsoft is investigating a bug that causes the mouse pointer to vanish in the classic Outlook desktop client, a problem first reported nearly two months ago. Users report that the cursor disappears while moving across the interface, making the app unusable; the issue also affects other Microsoft 365 apps such as OneNote to a lesser extent. Microsoft has offered three temporary workarounds-clicking an email, switching to PowerPoint and back, or restarting the PC-while a permanent fix timeline remains unknown. Affected users are advised to have their Microsoft 365 administrator open a support case and submit diagnostic logs for analysis.

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