Microsoft has fixed Excel copy-and-paste failures caused by September 2026 updates across Office 2016, 2019, 2021, and 2024.
In Excel, the calculation in the first row is correct, but when I copy it down, the second row becomes 0. Even if I recreate ...
Microsoft has fixed a known issue that causes copy-and-paste failures for Excel users after installing the September 2026 security updates.
A September security update silently killed copy and paste, autofill and formula dragging in Excel.
Microsoft has confirmed that copy and paste may silently fail for some Excel users after installing the 2026 KB5002914 security update.