Users may be unable to copy, paste, drag, or duplicate cells and worksheets in Microsoft Excel

Title: Users may be unable to copy, paste, drag, or duplicate cells and worksheets in Microsoft Excel

User impact: Users may be unable to copy, paste, drag, or duplicate cells and worksheets in Microsoft Excel.

More info: This issue may specifically impact some users utilizing Microsoft Excel 2024, 2021, 2019, and 2016.

Current status: Our fix has completed for Microsoft Excel 2021 and 2024. We're still in the process of validating both a temporary workaround and permanent fix for the 2016, 2019, and Office Online Server (OOS) versions of Excel. We'll provide the documentation on the workaround and timeline for the long-term fix as soon as they become available.

Scope of impact: Some users attempting to copy, paste, drag, or duplicate cells and worksheets in Microsoft Excel may be impacted. This section may be updated as our investigation continues.

Root cause: A code regression contained within a recent service update is causing impact.

Next update by: Monday, September 21, 2026, at 7:00 PM UTC

Title: Users may be unable to copy, paste, drag, or duplicate cells and worksheets in Microsoft Excel

User impact: Users may be unable to copy, paste, drag, or duplicate cells and worksheets in Microsoft Excel.

More info: This issue may specifically impact some users utilizing Microsoft Excel 2024, 2021, 2019, and 2016.

Current status: We're continuing to test the efficacy of our fixes to confirm that they fully remediate the impact. In the meantime, we're validating a possible workaround and its viability to ensure it's practical to use and also fully avoids this issue while we work on the long-term solution.

Scope of impact: Some users attempting to copy, paste, drag, or duplicate cells and worksheets in Microsoft Excel may be impacted. This section may be updated as our investigation continues.

Root cause: A code regression contained within a recent service update is causing impact.

Next update by: Thursday, September 17, 2026, at 7:00 PM UTC

Title: Users may be unable to copy, paste, drag, or duplicate cells and worksheets in Microsoft Excel

User impact: Users may be unable to copy, paste, drag, or duplicate cells and worksheets in Microsoft Excel.

More info: This issue may specifically impact some users utilizing Microsoft Excel 2024, 2021, 2019, and 2016.

Current status: Our development and validation of the individual fixes targeting each of the impacted versions is ongoing, and we'll provide an estimated timeline for resolution as one becomes available.

Scope of impact: Some users attempting to copy, paste, drag, or duplicate cells and worksheets in Microsoft Excel may be impacted. This section may be updated as our investigation continues.

Root cause: A code regression contained within a recent service update is causing impact.

Next update by: Tuesday, September 15, 2026, at 7:00 PM UTC

Title: Some users can't copy, paste, drag, or duplicate cells and worksheets in Microsoft Excel

User impact: Users can't copy, paste, drag, or duplicate cells and worksheets in Microsoft Excel.

More info: This issue may specifically impact some users utilizing Microsoft Excel 2024, 2021, 2019, and 2016.

Current status: We've identified a code regression contained within a recent service update that's causing impact. We're developing separate fixes for each of the four impacted Microsoft Excel versions, and we'll aim to provide a remediation timeline by our next scheduled communications update.

Scope of impact: Some users attempting to copy, paste, drag, or duplicate cells and worksheets in Microsoft Excel may be impacted. This section may be updated as our investigation continues.

Start time: Tuesday, September 8, 2026, at 10:00 AM UTC

Root cause: A code regression contained within a recent service update is causing impact.

Next update by: Monday, September 14, 2026, at 6:30 PM UTC

Title: Users may be unable to copy, paste, drag, or duplicate cells and worksheets in Microsoft Excel

User impact: Users may be unable to copy, paste, drag, or duplicate cells and worksheets in Microsoft Excel.

More info: This issue may specifically impact some users utilizing Microsoft Excel 2024, 2021, 2019, and 2016.

Current status: We're reviewing service monitoring telemetry to isolate the source of the issue and establish a fix.

Scope of impact: Some users attempting to copy, paste, drag, or duplicate cells and worksheets in Microsoft Excel may be impacted. This section may be updated as our investigation continues.

Next update by: Friday, September 11, 2026, at 11:30 PM UTC