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Are You Not Able to Open MSG File in Outlook? – Solved

Shaks George ~ Modified: July 29th, 2025 ~ How to ~ 5 Minutes Reading
Looking for a solution to fix “not able to open MSG file in Outlook”? Many user faces this problem while managing the MSG files. In this guide, we will explore the reasons and solutions behind this issue. No matter whether you are using Microsoft Outlook desktop or web-based Outlook, we will cover all of it!

Overview

A MSG file is an Outlook file format that stores your email messages individually. In this, you saved a single email in each file that includes its attachments, metadata, and content. The purpose of the file is to share your messages across various Outlook accounts. However, many users report that they are not able to open MSG files in Outlook, especially when the MSG file is transferred from one system to another system or any other Outlook version. This problem can lead to frustration and hassle with email management. Moreover, if you are trying to open MSG files in Outlook 365, 2021, 2019, 2016, or earlier versions, this guide will help you with a complete step-by-step solution to overcome such issues. Let us move on to the methods to resolve this problem.

Why is Your MSG File Not Opening in Outlook?

The first step to fix this problem is to know the reasons behind it. So, we have prepared a list of factors that affect your file and lead to being unable to access the file in Outlook.

  • Incorrect settings of Microsoft lead to configuration issues. Which makes it difficult to open the files.
  • You cannot preview your MSG file, as it is created by a Hex editor.
  • If the MSG file is sent with restricted permissions and you don’t have the permissions. So, you are unable to import the file.
  • A wrong Outlook rule can also create issues when opening the file.
  • Antivirus or firewall is blocking your files for security reasons. That’s why you are unable to access your data.
  • File corruption is a big problem as it affects the content of the file and your email client.

These are some of the common reasons why the MSG file issue is happening. In order to solve that, we have found several methods from the internet. We tested them and presented them to you in simple steps.

Methods to Fix – “Not Able to Open MSG File in Outlook” Issue

 

Method 1: Check for File Corruption

  • Outlook’s Inbox Repair Tool (ScanPST.exe): It is a free Microsoft tool that repairs your Outlook file if there is any issue. You can use it to solve the corruption issue, however, it only fixes minor errors.
  • Use a File Repair Tool: If by using the ScanPST.exe tool is unable to solve the problem, then use any repair tool available in the market. They will easily and quickly recover corruption issue.
  • Restore from Backup: If you have a backup of your MSG files, you can use it to restore your data. With the help of this, if there is any issue with the original file, it will be resolved by switching to the backup data.

Method 2: Resolve Compatibility Issues

Update Outlook

Ensure that you are using the latest version of Outlook. Microsoft frequently releases updates that improve compatibility and fix bugs.

  1. Go to File > Office Account > Update Options > Update Now.
  2. Install any available updates and restart Outlook.

Method 3: Address Software Conflicts

Disable Add-Ins

  1. For this, in your Outlook, go to the File options.
  2. Click the Options button, then Add-Ins.
  3. Select the “COM Add-ins” and hit “Go”.
  4. Disable any add-in that you think creates an issue and click OK.

What Do Experts Suggest?

According to numerous technical experts, there is no better solution than the Corbett MSG File Converter. The tool securely backs up your MSG files into any file or document format of your liking. In addition to that, this utility is fully compatible with all versions of the Windows Operating System, whether the latest or older.

Download Now Purchase Now

Frequently Asked Questions

Q1. How can you convert MSG to PST?

To change your MSG files into PST format, first open the file in Outlook. Then, use the import/export option of Outlook to export your data in PST format.

Q2. Why can’t I open a file in Outlook?

Unable to open your file in Outlook can be because of a number of reasons. Your file is corrupted, the internet is slow, a third-party add-in is blocking your file, or your storage space is full.

Q3. How can I make Outlook my default app for MSG files?

Right-click your MSG file and select Open with. Choose Microsoft Outlook and select Always use this app to open .msg files.

Q4. How are MSG and EML files different from each other?

A MSG file is an Outlook proprietary file to store your Outlook items. You can only open this file in Outlook. EML file, on the other hand, is a common file format to store your emails. There are several email clients that support EML files, including Outlook.

Q5. Can I open an MSG file without Outlook?

No, you cannot open an MSG file without Outlook, as the file is Outlook exclusive.

Conclusion

Encountering issues with an MSG file not opening in Outlook can be frustrating, but understanding the potential causes and solutions can make troubleshooting much easier. Whether it’s a file corruption issue, compatibility problem, or software conflict, there are several steps you can take to resolve the issue. By following the tips and solutions outlined in this guide, you should be able to get your MSG files opening smoothly in Outlook once again.

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