Comprehensive Guide: Why Your MSG File is Not Opening in Outlook [2025]
Microsoft Outlook is a popular email client, but it is not immune to issues. The problem happens not only in the email client, but also its exclusive file extension. So, in this article we will help you to solve one of the Outlook data file issues “MSG file is not opening in Outlook”. In this we will explain the reasons behind the problem and give you great tips to tackle the error. Let’s dive into the details and get your email files working smoothly again.
What is an MSG File?
MSG or Message file is an Outlook file format that stores your individual email messages. In this, you saved a single email in each file, including its attachments, metadata, and content. The purpose of the file is to share your messages across various Outlook accounts. Here are some of the common uses of this file format.
- Archiving Emails: Users often save MSG files to keep a record of important emails.
- Sharing Emails: MSG files are frequently used to share individual emails with others.
- Backup: They are a good way to back up specific emails without saving the entire mailbox.
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 leads to configuration issues. Which makes it difficult to open the files.
- You cannot preview your MSG file, as it is created by 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 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.
Fix MSG File is Not Opening in Outlook Issue
#1. Check for File Corruption
- Outlook’s Inbox Repair Tool (ScanPST.exe): It is a free Microsoft tool that repair your Outlook file if there is any issue. You can use it to solve the corruption issue, however it only fixed minor error.
- Use a File Repair Tool: If by using the ScanPST.exe tool 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 the 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.
#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.
- Go to File > Office Account > Update Options > Update Now.
- Install any available updates and restart Outlook.
#3. Address Software Conflicts
Disable Add-Ins
- For this in your Outlook, Go to the File options.
- Click Options button, then Add-Ins.
- Select the “COM Add-ins” and hit “Go”.
- Disable any addin that you think create 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 latest or older.
Frequently Asked Questions
Q1. How can you convert MSG to PST?
To change your MSG files into PST format, first open the file in the 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 network is slow, a third-party add in blocking your file or your storage space is full.
Q3. How can I make Outlook my default apps for MSG files?
Right-click your MSG file and select the Open with. Choose Microsoft Outlook and select always use this app to open .msg file.
Q4. How are MSG and EML files different from each other?
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 which 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.
So There You Have It
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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