How to Fix VBA Error 400

When some Excel users try to run their Macro, they seem to get a VBA error 400. There is only a box with an OK button and no other information.

Keep reading this article to learn how to fix this error in different ways.

Move your Macros to Another Module

Launch Microsoft Excel.

Go to Developer tab and select Visual Basic.

In the VBA menu, click Insert and select Module.

Paste the VBA code that you want to use.

Click on File menu and select Save.

Delete the old module.

Turn on trusted access

Launch Microsoft Excel.

Go to Developer tab and select Macro Security.

Under Developer Macro Settings, click on Trusted access to the VBA project.

Check your code for mistakes to fix VBA error 400

Make sure to check your code for mistakes all the time. Also, you need to make sure that none of the macros are broken.


Commerce major. My training enabled me to fully use the various Microsoft Applications while also allowing to work around problems. I spent my high school years working as a campus writer and researcher, as I get older, I want to broaden my horizons and live life to the fullest.

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