Power Query Problems

How to Fix Power Query Editor Display Scaling After an Excel Update

Huma Ashraf ChHuma Ashraf Ch Oct 22, 2026 870 views

Question details

The user needs to fix an issue where the Power Query Editor appears extremely zoomed in, even though the main Excel application displays correctly.

How to Fix Power Query Editor Display Scaling After an Excel Update
Product
Microsoft Excel
Device & OS
not provided
Scenario
Opening the Power Query Editor in Excel after a recent update, particularly when using high-resolution laptop screens or multiple monitor setups.
Observed behavior
The Power Query Editor interface becomes abnormally large and zoomed in, causing UI elements to overlap or become difficult to navigate, while main Excel windows remain unaffected.
Before you start

Ensure all your current Excel workbooks are saved, as you will need to completely restart the Excel application to apply the display compatibility settings.

Solution 1Recommended

Enable Optimize for Compatibility in Excel Options

Adjusting Excel's built-in user interface options changes how display scaling is handled, correcting the DPI mismatch between Excel and the Power Query Editor.

By default, Excel optimizes for the best appearance on high-resolution screens. However, after certain updates, this can cause auxiliary windows like the Power Query Editor to scale incorrectly. Switching the setting to optimize for compatibility forces standard scaling across all Excel-related windows.

1
Open Excel Options

Launch Microsoft Excel. Click on the 'File' tab in the top-left corner of the ribbon, and select 'Options' located at the very bottom of the left-hand menu.

2
Modify User Interface Settings

In the Excel Options dialog box, ensure you are on the 'General' tab. Under the 'User Interface options' section, select the radio button for 'Optimize for compatibility'.

3
Restart Excel

Click 'OK' to save your changes. Close all open Excel windows completely, and then restart Excel. Launch the Power Query Editor to confirm the zoom issue is resolved.

Enable Optimize for Compatibility in Excel Options
Setting Applied: Changing this setting applies universally to Office apps and provides consistent window scaling, particularly when moving Excel across monitors with different resolutions.
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Frequently Asked Questions

Why is only the Power Query Editor zoomed in and not the rest of Excel?

The Power Query Editor runs as a separate graphical interface within Excel. Following certain Office updates, its DPI (Dots Per Inch) scaling handling can fall out of sync with the main Excel application, causing it to misinterpret the screen's resolution and enlarge the interface excessively.

Will optimizing for compatibility affect how my spreadsheets look?

Enabling 'Optimize for compatibility' changes how Excel renders on different displays. While it effectively fixes scaling bugs for external windows, it may make fonts, icons, or the ribbon look slightly less crisp on high-DPI displays compared to the 'Optimize for best appearance' setting.

What should I do if the compatibility setting doesn't fix the Power Query zoom issue?

If the problem persists, try updating your graphics card drivers, standardizing your Windows display scaling to be identical across all monitors, or rolling back your Microsoft Office installation to a previous version until Microsoft releases a patch for the specific update.