On 8, Microsoft rolled out KB5002914 for Excel, but it apparently has a bug that makes it impossible to copy and paste.
Microsoft has confirmed a copy-and-paste issue affecting Excel 2024, 2021, 2019, and 2016 after the KB5002914 security update ...
Microsoft has confirmed that copy and paste may silently fail for some Excel users after installing the 2026 KB5002914 ...
Microsoft Excel users report that this week's KB5002914 Office security update is breaking copy-and-paste operations and ...