HRESULT 0x800A03EC Exception error occurred in Excel [Fixed]

If you encounter error code 0x800A03EC in Microsoft Excel, here are some solutions. Usually this error code appears when trying to export an Excel file.

Error is: System.Runtime.InteropServices.COMException(0x800A03EC): Exception from HRESULT: 0x800A03EC

This problem may be caused by typos, invalid methods, or incompatible data formats in the code. Additionally, the file exceeding the limit of Excel or the file is corrupted may also cause this issue. Whatever the case, we will guide you on how to solve the problem. Would love to help you find the answer.

Fix HRESULT 0x800A03EC Excel error exception

To fix error code 0x800A03EC in Microsoft Excel while trying to export a file, here are the solutions you can use: Purpose:

Check your VBA code.

View field size.

Select the OLE object.

Repair problematic Excel files.

Enable disabled add-ins.

Turn on all macros in settings.

Repair Microsoft Excel.

You can try to close all Excel windows first and then reopen them to see if the problem is solved.

1] Check your VBA code

Usually, this error is caused by an error in the verification code. So, be sure to check your JavaScript code carefully to see if there are any typos, logical errors, or grammatical errors. Correct these errors and try re-exporting the file to see if the problem is resolved.

2]View field size

In Excel, if the data exceeds certain limits and specifications, error code 0x800A03EC may be raised. It is recommended to check the Excel specifications and limitations on Microsoft.com to ensure that the file meets Excel's requirements to avoid problems.

3] Check OLE object

Object Linking and Embedding (OLE) objects are dynamically linked between files and applications. The occurrence of error code 0x800A03EC may be due to a problematic OLE object. Therefore, the file should be checked for OLE objects and the problematic ones should be repaired.

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