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So I'm trying to start a VSTO Excel Workbook project and cannot seem to get the designer to actually open the spreadsheet I've seeded the project with.

The designer just shows a blue screen and doesn't let me actually edit the spreadsheet.

This also occurs when I start a fresh project from scratch.

I have no issue editing the code for each sheet or the workbook as a whole, it's just the designer that's giving me issues.

I'm using Visual Studio 2017 with Excel 2016.

Thoughts?

Designer Blue Screen Example

enter image description here

Huy Nguyen
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1 Answers1

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In your Windows display settings, try setting your monitor's "scale and layout" settings to 100%.

mpowrie
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  • That sadly is the answer. Visual Studio is not compatible with common/recommended settings for 4K displays. –  Mar 06 '19 at 15:13