Share this article

Improve this guide

How to Fix The Exception From HRESULT 0x800a03ec Error

First, end all Excel instances

4 min. read

Updated onJanuary 15, 2024

updated onJanuary 15, 2024

Share this article

Improve this guide

Read our disclosure page to find out how can you help Windows Report sustain the editorial teamRead more

Key notes

Many users have encountered theException from HRESULT 0x800a03ecerror when trying to run a code or import data. In this guide, we will discuss WR experts-recommended solutions to fix it.

What causes the Exception From HRESULT 0x800a03ec error? It could be due to incorrect data formats, corrupted Excel file, virus infection, memory problems, or incompatible programs running at the same time.

How can I fix the Exception From HRESULT 0x800a03ec erorr?

How can I fix the Exception From HRESULT 0x800a03ec erorr?

Before moving to the fixes below, here are a few preliminary checks you should do:

1. End all the Excel instances

2. Save the Excel file in new format

If you have allowed the sheets to open in the Office 2007 version or Compatibility mode, the sheet can’t have more than 65k rows; therefore, also check the number of rows, and if it is exceeding, convert the file to xlsx to get rid of the error.

3. Check the VBA code

The Exception from HRESULT 0x800a03ec error might occur if you have incomplete or wrong queries in the Excel VBA code.

Also, check the code for typo errors, logical flaws, missing references, or syntax errors, and ensure you are not using an invalid method to call a VBA code.

4. Repair the Excel file

Using these steps can help yourecover corrupted Excel files in Windows 10; read this guide to learn more about it.

5. Enable disabled add-ins

6. Repair the Microsoft Office app

Repairing Excel can also help you fix issues likeExcel won’t open after a Windows Update; read this guide to learn more.

To conclude, the Exception from HRESULT 0x800a03ec error occurs mainly due to issues with the Excel sheet or VBA code you are running.

So, to fix it, you need to check the VBA code for errors & logical flaws and the method used to call it. However, if the issue appears while making changes in Excel, try repairing the file, saving it as XLSX format or enable the Disabled items from Excel Options.

IfExcel is not openingon your computer, ensure the app is not outdated, and read this guide to learn about more solutions.

Did we miss a step that helped you fix the problem? Don’t hesitate to mention it in the comments section below. We will happily add it to the list.

More about the topics:Microsoft Excel,Windows 11

Srishti Sisodia

Windows Software Expert

Srishti Sisodia is an electronics engineer and writer with a passion for technology. She has extensive experience exploring the latest technological advancements and sharing her insights through informative blogs.

Her diverse interests bring a unique perspective to her work, and she approaches everything with commitment, enthusiasm, and a willingness to learn. That’s why she’s part of Windows Report’s Reviewers team, always willing to share the real-life experience with any software or hardware product. She’s also specialized in Azure, cloud computing, and AI.

User forum

0 messages

Sort by:LatestOldestMost Votes

Comment*

Name*

Email*

Commenting as.Not you?

Save information for future comments

Comment

Δ

Srishti Sisodia

Windows Software Expert

She is an electronics engineer and writer with a passion for technology. Srishti is specialized in Azure, cloud computing, and AI.