How to Fix Outlook Attachments Not Showing? Try These 4 Proven Fixes

Ritu Roy | error fix How to's outlook error Technology | 6 minutes read | Modified on: 18-08-2026

Summary: If you are having trouble viewing attachments in Outlook, you are not alone. Missing or unresponsive attachments can make it difficult to access important documents, images, and other files received through email. The problem may be related to Outlook settings, file restrictions, compatibility issues, or damaged mailbox data.

In this article, we will explain four practical ways to fix the “attachments not showing in Outlook” issue. You can start with the simple manual solutions and check whether they resolve the problem. If the attachments are still unavailable or you are dealing with a large amount of mailbox data, an automated solution can be a more convenient option. By following the methods explained in this guide, you can troubleshoot the problem and regain access to your Outlook attachments without unnecessarily putting your important email data at risk.

Manual Solutions for Outlook Attachments That Are Not Showing

Before moving to any third-party solution, you can try a few built-in Outlook troubleshooting methods. These approaches are free and can resolve attachment display or preview problems caused by cached data, add-ins, or Outlook’s preview settings.

Method 1: Clear Outlook’s Cached Files

Outlook stores temporary files that can sometimes interfere with attachment previews. Clearing the cache can help refresh this temporary data.

1. Press Windows + R to open the Run dialog box.
2. Enter the following path: %localappdata%\Microsoft\Outlook\RoamCache
3. Click OK to open the folder.
4. Press Ctrl + A to select the available files.
5. Right-click the selected files and choose Delete.
6. Launch Outlook again and check whether the attachments are now visible.

Method 2: Turn Off Unnecessary Outlook Add-ins

Some Outlook add-ins can conflict with the application’s normal functions, including attachment handling. Temporarily disabling unnecessary add-ins can help identify whether one of them is causing the problem.

1. Open Outlook and select File.
2. Click Options and select Add-ins.
3. At the bottom of the window, make sure COM Add-ins is selected in the Manage box.
4. Click Go.
5. Clear the checkboxes for unnecessary add-ins.
6. Select OK and restart Outlook.
7. Check the affected emails again.

If the attachments become available after disabling an add-in, you can enable the extensions individually to identify the one responsible.

Method 3: Check Outlook’s Attachment Preview Settings

Outlook’s Trust Center includes settings that control whether certain files can be previewed. If attachment preview has been disabled, changing the relevant option may resolve the issue.

1. Start Outlook and open File > Options.
2. Select Trust Center.
3. Click Trust Center Settings.
4. Open Attachment and Document Preview.
5. Make sure Turn off Attachment Preview is not selected.
6. Click Attachments and Document Previewers.
7. Select the available previewers you want Outlook to use.
8. Click OK to save the changes and restart Outlook.

Limitations of These Manual Fixes

Although these methods are useful for basic Outlook problems, they do not address every possible cause of missing attachments.

• Clearing cached files may provide only a temporary fix if the underlying problem is related to the mailbox or Outlook profile.
• Outlook may need to rebuild temporary data after the cache is removed, which can affect performance for a short time.
• Disabling add-ins can remove useful integrations, including business applications and security-related extensions.
• An add-in is not necessarily responsible for every attachment-related problem.
• Changing Trust Center settings will not restore an attachment that is genuinely missing, deleted, corrupted, or unavailable in the source mailbox.

Therefore, if none of these methods works, the problem may require a different approach, particularly when the Outlook data file itself is damaged.

An Alternative Approach for Difficult Outlook Attachment Problems

If the manual solutions do not resolve the issue or you are concerned about making changes to your Outlook configuration, you can consider using a dedicated Outlook data migration or recovery application.

For example, CubexSoft Outlook PST Converter Tool is a desktop-based solution designed to work with PST data and provide multiple export options. It can process PST files in batches and supports saving mailbox data in formats such as TXT, OLM, MBOX, EML, and HTML. It is also designed to retain the original folder structure during the conversion process.

This type of approach can be useful when the attachment problem is connected to a damaged or inaccessible PST file rather than a simple Outlook setting. Before using any third-party software, however, create a backup of your original PST file and verify that the software supports your specific Outlook version and required output format.

Steps to Use the Automated Solution

If the manual methods do not resolve the attachment issue, you can use an automated PST conversion tool to extract and access the required Outlook data. The process is straightforward and can be completed in a few steps.

1. Open the application on your Windows computer.
2. Choose “Convert Configured Outlook Mailbox Data” from the available options and click Next.
3. Select the Outlook folder containing the emails and attachments you want to process, then click Export.
4. Choose TXT as the saving format and specify a destination folder where you want the converted data to be stored.
5. Click Convert to begin processing the selected Outlook data.

Once the conversion is complete, open the destination folder to access the generated TXT files and associated attachment data. Before deleting or modifying the original Outlook data, verify that the converted files contain the information you need.

Advantages of Using an Automated Solution

When manual troubleshooting does not resolve the Outlook attachment problem, an automated solution can make the process simpler and more convenient. A professional PST conversion tool can be especially helpful when the issue is related to mailbox data rather than a basic Outlook setting.

Some key advantages include:

• Preserves mailbox data: The conversion process is designed to maintain the original data and folder structure while processing PST files.
• Multiple export formats: Users can convert PST files into different formats, including TXT, HTML, MSG, OLM, MBOX, and EML, depending on their requirements.
• Simple operation: The software provides a straightforward interface, allowing users to complete the conversion with only a few steps.
• Suitable for different users: Its simple workflow makes it accessible to beginners as well as technical and non-technical users.
• Works without an internet connection: Since the application operates on the local computer, users can process their PST files offline without uploading mailbox data to an online service.
• Useful for large mailboxes: Batch processing can make it easier to handle a large amount of Outlook data without working with individual emails one by one.

These features make an automated approach worth considering when conventional Outlook troubleshooting does not provide the expected results.

Final Thoughts                                            

Outlook attachments may fail to appear for several reasons, ranging from temporary cache problems and incompatible add-ins to incorrect preview settings or issues with the underlying PST file.

In this guide, we covered four ways to troubleshoot the problem, three manual methods and one automated approach. The manual fixes are worth trying first because they are free and can resolve simple configuration-related issues. However, they may not be effective when the problem is caused by damaged or inaccessible Outlook data. For more complicated cases, an automated PST solution can provide a more convenient way to access, convert, or manage mailbox data while reducing the need for lengthy manual troubleshooting.

Ultimately, the right method depends on the cause of the attachment problem and the condition of your Outlook data. Start with the basic fixes, and consider an automated solution if those methods fail to resolve the issue.