Excel Copy/Paste Issues Reported After September 2026 Microsoft Office Updates

Hello everyone !

We are currently observing reports of issues affecting Microsoft Excel 2016, 2019, 2021, and other Office releases following the September 2026 Microsoft Office updates.

Users have reported that common Excel functions such as copy and paste, drag-and-fill, and copying worksheets within the same workbook may stop working after installing the latest updates. Similar reports have appeared across Microsoft Q&A and community forums over the past 24 hours.

Reported Symptoms

Affected users have reported issues including:

Copy and paste not working within Excel
Paste options appearing unavailable or producing no result
Drag-and-fill/formula dragging not working
Unable to copy worksheets within the same workbook

Some reports specifically associate the issue with recent Office 2016 and Office 2021 updates. Community reports also indicate that removing or rolling back the affected update has restored Excel functionality in some environments, though this is not yet an official Microsoft workaround.

Current Status

As of now, Microsoft has not officially acknowledged this as a known issue.

We are raising the issue with Microsoft and will continue monitoring Microsoft Q&A and other community reports for confirmation, root cause details, and an official resolution or workaround.

Administrators experiencing this issue are advised to validate the latest Office updates in a test environment before wider deployment where possible.

References

Microsoft Q&A – Excel issues after the September 2026 updates:
https://learn.microsoft.com/en-gb/answers/questions/5999281/we-are-facing-issue-in-excel-2026-2019-and-2021-co

Microsoft Q&A – Unable to copy Excel sheets after update:
https://learn.microsoft.com/en-us/answers/questions/5998150/cant-copy-excel-sheet-on-the-same-workbook-after-u

Reddit – Excel copy/paste issue:
https://www.reddit.com/r/excel/comments/1wbs5x4/excel_copy_paste_not_working/

Reddit – Excel 2016 update issue:
https://www.reddit.com/r/excel/comments/1wbjfqx/excel_2016_update_bug/

We will update this post once Microsoft provides additional information or a confirmed resolution.

Regards,
The ManageEngine Team

Sticky Posts
Device alerts and timeline just got smarter: Meet Alert Correlation and Zia-powered timeline insights
Hello everyone, Two important updates just landed in Endpoint Central's DEX module and both help IT teams get to root causes faster. Now, IT teams will have fewer alerts to sift through, and less time spent piecing together what actually happened on a
New feature release: Device Timeline – Visualize, trace, and troubleshoot issues faster
Hello everyone, We're excited to introduce Device Timeline, a major upgrade to Endpoint Central’s DEX module that gives IT teams a clearer, more intuitive way to investigate performance issues.This is currently available for cloud users only. This feature
Endpoint Central delivered 442% ROI according to Forrester Total Economic Impact study
We are excited to share that we recently commissioned a Forrester Total Economic Impact™ (TEI) study to evaluate the potential benefits that organizations can achieve using Endpoint Central. The study found that interviewed organizations using Endpoint
Desktop Central protects from Win32/Conficker worm
Hi All, Today is April 1st and there is a peril of Win32/Conficker worm. Win32/Conficker is a worm that infects other computers across a network by exploiting a vulnerability in the Windows Server service (SVCHOST.EXE). If the vulnerability is successfully exploited, it could allow remote code execution when file sharing is enabled. Depending on the specific variant, it may also spread via removable drives and by exploiting weak passwords. It disables several important system services and security
ManageEngine Desktop Central Supports the Greening of IT
ManageEngine Desktop Central Upgrade Supports the "Greening" of IT; Software Minimizes Energy Use Automates Shutdown of Computers During Non-Office Hours; Generates Monthly Reports Used in Claiming Utility Rebates AUSTIN, TX--(Marketwire - January 27, 2009) - ManageEngine, makers of a globally renowned suite of cost effective network, systems and security management software solutions, today announced an update to Desktop Central, the company's web-based Windows Desktop Management Software, with