Microsoft has fixed a known issue that causes copy-and-paste failures for some Excel users after installing the 2026 KB5002914 security update.

A September security update silently killed copy and paste, autofill and formula dragging in Excel.

Microsoft fixes Excel 2016 copy-and-paste failures caused by KB5002914, while other Excel versions still need workarounds.

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

Microsoft has fixed Excel copy-and-paste failures caused by September 2026 updates across Office 2016, 2019, 2021, and 2024.

While Windows users are disappointingly familiar with updates causing problems, the same cannot be said of people using Microsoft Office. But with the release of the KB5002914 update for Excel, ...

Have you ever experienced a situation where you performed a copy & paste or used AutoFill in Excel, but nothing was reflected ...