Microsoft fixes broken Excel copy and paste for all Office users

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

Excel Copy-Paste Glitch! Explaining the Causes of Freezing When Pasting in Excel and How to Handle Windows 11 Updates '2026 Edition'

As of September 11, 2026, users of Excel have been discussing issues on social media such as "suddenly unable to copy and ...
Windows Report on MSN

Microsoft broke Excel copy and paste, now the fix is finally here

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

Microsoft Excel KB5002914 update breaks copy and paste for some users

Microsoft Excel users report that this week's KB5002914 Office security update is breaking copy-and-paste operations and formula dragging, with affected users saying that removing or rolling back the ...
MUO on MSN

I never trust someone else's Excel file until I check these 5 things

Catch the problems a borrowed spreadsheet won't tell you about.
TechRepublic

Office Q&A: How to stop Excel’s paste task from overwriting destination cell’s format

It’s not easy to fool Excel, but with a few extra clicks, you can work around this odd pasting behavior. If you paste formatted values into a cell with another applied format, the pasted format wins.