Email Recovery

How to Recover Missing Outlook Emails After Importing a PST Backup

Huma Ashraf Ch Oct 13, 2026 868 views

Question details

The user needs to recover emails and personal files that appear to be missing after importing a locally backed-up PST file into a recreated Outlook email account.

Recover Missing Outlook Emails After Importing a PST Backup

Product: Microsoft Outlook
Device & OS: not provided
Scenario: Importing a PST backup file (originally created from an IMAP account) into a newly recreated Outlook mailbox.
Observed behavior: Some emails and personal files are missing or hidden in the mailbox after the PST import process is completed.

Before you start

Verify that your original PST backup file size is sufficiently large, confirming that the initial export process was fully completed before you attempt to recover the messages.

Solution 1Recommended

Change Outlook View Settings to Unhide IMAP Messages

When exporting from an IMAP account to a PST file, messages often become hidden rather than lost upon import. Changing your Outlook view settings will reveal them.

This issue commonly occurs because Outlook applies a default filter to imported IMAP data, effectively hiding the emails from standard views.

By switching to the dedicated IMAP Messages view, you bypass this filter and can safely move your recovered emails back to their appropriate folders.

Navigate to the imported folder

Open Microsoft Outlook and click on the folder where you imported the PST backup data.

Access the View tab

Click on the 'View' tab located in the top navigation ribbon of the Outlook interface.

Change the current view

Select 'Change View' from the menu options to reveal a dropdown list of available viewing modes.

Select IMAP Messages

Click on 'IMAP Messages'. Your previously hidden emails should now be visible in the list.

Check the Archive folder

Browse through your other folders, paying special attention to the 'Archive' folder, to locate any additional missing messages.

Move emails to the Inbox

Select the required emails, right-click, choose 'Move', and transfer them back to your main Inbox.

Change Outlook View Settings to Unhide IMAP Messages

Incomplete Backups: If the messages were not included in the original PST backup, or if the initial export was incomplete, they will not be recoverable through this method.

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While WPS Office does not handle Outlook PST files directly, it is an excellent, free alternative to Microsoft Office for all your document needs. Enjoy a familiar interface, highly compatible formats, and a seamless migration from Microsoft Word, Excel, and PowerPoint.

1. Download WPS Office: Visit the official WPS website to download the free installation package for your operating system.
2. Install the Software: Run the downloaded installer and follow the simple on-screen instructions to set up WPS Office on your computer.
3. Open Your Files: Simply double-click your existing Microsoft Office files or email attachments to seamlessly open and edit them in WPS Office.

Fully compatible with Microsoft Office formats (.docx, .xlsx, .pptx), ensuring that document attachments saved from your recovered emails open flawlessly.Lightweight and fast, consuming significantly fewer system resources than standard Microsoft Office installations.Familiar, tabbed user interface makes migrating your daily document workflows seamless and intuitive.Includes a built-in PDF toolkit to effortlessly view, edit, and convert documents you receive or share.

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Frequently Asked Questions

Why do IMAP emails disappear after being imported from a PST file?

When emails are exported from an IMAP account to a PST file and then imported into Outlook, the application sometimes applies a default view that hides these specific message types. The data is usually intact but requires you to switch to the 'IMAP Messages' view to see it.

Can I recover emails if my original PST export was interrupted?

If the original PST export process was canceled, interrupted, or otherwise incomplete, the missing emails were likely never saved to the backup file. Data not captured during the initial export cannot be recovered from that specific PST file.

How do I ensure my PST backup includes all my IMAP folders?

When exporting an IMAP account to a PST file, ensure you check the box labeled 'Include subfolders' in the Export wizard. Additionally, allow Outlook sufficient time to synchronize all folders with the server before initiating the backup process.

Migration & Recovery