How to Fix Excel 365 Freezing When Selecting Charts in Older Workbooks
Question details
The user needs to resolve an issue where Excel 365 completely freezes when selecting a complex chart inside an older workbook.

- Product
- Microsoft Excel 365
- Device & OS
- not provided
- Scenario
- Opening an older Excel workbook (.xlsm or .xlsx) and clicking on a complex chart to inspect or edit it.
- Observed behavior
- The Excel application becomes entirely unresponsive and freezes immediately upon left or right-clicking the chart, preventing any inspection of chart data ranges or settings.
Before troubleshooting, ensure your Excel 365 is updated to the latest version and use 'Save a Copy' to create a backup of your workbook to prevent accidental data loss.
Open in Safe Mode or Excel for the Web to Recreate the Chart
Since clicking the chart in normal mode freezes the app, using Safe Mode or the Web version may bypass the rendering glitch, allowing you to delete and rebuild the problematic chart.
Local graphics acceleration or add-ins in desktop Excel can sometimes conflict with older chart objects. Excel for the Web uses a different rendering engine, which can help bypass local freezing issues.
Press and hold the 'Ctrl' key while clicking the Excel shortcut to launch it in Safe Mode, then open your workbook.
Upload your workbook to OneDrive or SharePoint, then open it using Excel for the Web in your browser.
Navigate to the sheet containing the complex chart. Select the chart and press 'Delete'. Recreate the chart from scratch using the existing source data ranges.
Save the file, then reopen it in the standard Excel 365 desktop application to verify the freezing issue is resolved.

Run the Compatibility Checker
Identify if legacy formatting from older versions (like Excel 2007) is causing conflicts by using the built-in compatibility checker.
Submit Feedback to Microsoft
If the freeze persists across different formats and multiple computers, it is likely a software bug in Excel 365 that requires a patch from Microsoft.
Try WPS Office to Open and Edit Complex Workbooks Flawlessly
If Excel 365 continues to freeze when handling older workbooks, WPS Office offers a lightweight, highly compatible alternative. It seamlessly opens XLSX and XLSM files without the lag, allowing you to work on complex charts instantly.
- 1. Download and install: Download WPS Office from the official website and complete the installation.
- 2. Open your workbook: Launch WPS Spreadsheets, click 'Open', and select your problematic .xlsx or .xlsm file.
- 3. Edit without freezing: Interact with your complex charts, update data, and save your progress seamlessly.

Frequently Asked Questions
Why does Excel 365 freeze only when I click on a specific chart?
This typically happens when the chart contains highly complex data ranges, corrupted graphic objects, or legacy formatting from older Excel versions that the modern Excel 365 rendering engine struggles to process.
Will saving an .xlsm file as an .xlsx file fix freezing issues?
It can sometimes resolve macro-related freezes by stripping out VBA code. However, if the freeze is caused by a corrupt chart object or a rendering bug, simply changing the file extension will not resolve the issue.
How do I edit chart data if clicking the chart freezes Excel?
You can update the source data cells directly, as this updates the chart automatically without requiring you to click on it. Alternatively, open the file in Excel for the Web or Safe Mode to bypass the local freezing issue and manage the chart.




