Windows Report on MSN

Windows 11 copy paste not working: 8 tested fixes

You can fix Windows 11's copy paste not working by running an SFC scan or clearing clipboard data as outlined in this guide.
XDA Developers on MSN

Microsoft confirms that Windows 11's new update breaks copy-pasting in Excel, and there's no solution yet

The wait begins.
Windows Report on MSN

Microsoft Excel copy and paste isn’t working after KB5002914 update, the company confirms

Microsoft has confirmed a copy-and-paste issue affecting Excel 2024, 2021, 2019, and 2016 after the KB5002914 security update ...
borncity

Microsoft Office: September 8, 2026 Update causes (Excel) copy & paste issue

German]The Microsoft security updates released for Office applications on September 8, 2026, are causing serious collateral damage. In Excel, it is no longer possible to select and copy anything.

Microsoft confirms KB5002914 Excel update breaks copy and paste

Microsoft has confirmed that copy and paste may silently fail for some Excel users after installing the 2026 KB5002914 ...