If your mouse cursor turns white or disappears in text fields in Chrome or Edge, use the following solutions to fix this problem. You should also clear the cache and cookies of Chrome and Edge.
Microsoft is investigating a known issue that causes the mouse pointer to disappear in the classic Outlook desktop email client for some users.
A bug in classic Outlook hides the mouse pointer, making navigation difficult.
The latest news is that Microsoft has published a new support page on this issue, stating that your mouse pointer can ...
Microsoft is investigating a persistent mouse cursor bug affecting its classic Outlook desktop app, with temporary workarounds available..