How To Fix VBA Error 400 Running An Excel Macro?

Are you getting an error dialog box titled Microsoft Excel that contains only the number 400? Or getting the error message VBA error 400 Excel 2016, then this article is for you.

Here check out the complete information about Excel 2016 macro error 400.

Microsoft Excel is a very crucial file and not free from errors. There are many cases seen when many different types of errors crop up and interrupt the users from time to time.

The Excel 2016 error 400 is the one that many users are found reporting. Excel Error 400 is related to the VBA or the Macro. Some users are getting the VBA error 400 while running an Excel Macros.

Despite this, it is also seen it is caused due to improperly configured settings or due to irregular Windows registry entries.

Well, this is very irritating and there is no exact reason behind what causes the VBA 400 error in Excel. Here check out some of the possible causes.

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Why I am getting Excel VBA Error Code 400?

There is no exact reason for getting the VBA error 400 in Excel 2016, some of the common causes like VBA corruption or the macros you are trying to run is corrupt and many others.

  • Due to incorrect or failed installation or un-installation of software
  • Invalid Registry entries
  • Due to an error in the macro that was running
  • The external error like failure to read or write from a file.
  • The arguments contain the value that is not valid
  • While trying to gain access to an object that does not exist
  • The macros you are trying to run is corrupted
  • The properties and method of VBE object for manipulation VBA code stored in Office document are by default inaccessible.

So these are some of the possible reasons that might cause the VBA error 400 while running Excel Macros.

Now try the possible fixes to resolve the Excel error 400.

How To Fix Excel 2016 Macro 400 Error?

Just like the reasons the solution to resolve the VBA error 400 macros also varies. So here check out the possible solutions like moving the macros to the new module, turning on trusted access to VBA, and others to fix VBA error 400.

Solution 1: Move The Macros To New Module

It might happen due to some kind of external error you are getting the Visual Basic error 400 in Excel.

So try creating a module in VBA and click on Insert>module and move the macros to the new module. Also, assure deleting the original one.

Hope this resolves the VBA error 400 in Excel macros, if not then try the second possible solution.

Solution 2: Turn On Trusted Access To VBA

Sometimes when you are trying to gain access to the VBA project the users start getting the VBA error 400 in Excel. So here try to turn on trusted access to Visual Basic Projects.

Follow the steps to do so:

  1. Try going to the Developer tab. But, if the Developer tab is unavailable, then follow the steps to display it:
    • First, click File > Options > Customize Ribbon.
    • Then under Main Tabs > choose the Developer checkbox.
  2. Now, in the Code group > on the Developer tab > click Macro Security.
  3. And under Developer Macro Settings > choose the Trust access to the VBA project object model checkbox.

Hope turning on the trusted access to VBA fixes the Excel 2016 macro 400 error.

Apart from that also check the codes you are entering as some mistakes in codes may cause Excel error 400. Also, check for the macros corruption before trying to run them.

Don’t Miss: Top Ways to Recover Macros from Corrupted Excel File Effectively

Hope the given manual solutions work for you to resolve the VBA error 400 running an Excel Macros. But if not then try the automatic repair utility to resolve the VBA error 400 in Excel.

Automatic Solution: MS Excel Repair Tool

It is recommended to make use of the MS Excel Repair Tool. It is the best tool to repair all sorts of issues, corruption, errors in Excel workbooks. This is the best tool that just by scanning once detects and fixes various errors in Excel files and repairs and recover damaged, corrupted, or even inaccessible Excel files as well.

It allows you to easily restore all corrupt Excel files including the charts, worksheet properties cell comments, and other important data. This is a unique tool to repair multiple Excel files at one repair cycle and recovers the entire data in a preferred location. It is easy to use and compatible with both Windows as well as Mac operating systems.

* Free version of the product only previews recoverable data.

Steps to Utilize MS Excel Repair Tool:

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Final Verdict:

That’s it; I have done my job, now it’s your turn to follow the fixes to resolve VBA error 400 in Excel.

Follow the given manual solutions to fix Visual Basic error 400 in Excel. Also, scan your Excel file with the automatic repair utility to fix other Excel issues responsible for getting the error.

Apart from that Excel is a very crucial file so it is very important to handle it properly and backup your important data to avoid data loss situations.

In case you have any additional workarounds that proved successful or questions concerning the ones presented, do tell us in the comments or you can visit the Repair MS Excel Facebook and Twitter account.

Good Luck…



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[SOLVED] VBA Error “400” Running an Excel Macro
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[SOLVED] VBA Error “400” Running an Excel Macro
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Struggling with the Excel VBA error 400 while trying to run macros, then read the article to learn how to fix Excel 2016 macro error 400
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Priyanka is an entrepreneur & content marketing expert. She writes tech blogs and has expertise in MS Office, Excel, and other tech subjects. Her distinctive art of presenting tech information in the easy-to-understand language is very impressive. When not writing, she loves unplanned travels.