Outlook Duplicate Remover | Delete duplicate OST files from Outlook

by James William Software Developer

Are you looking for a solution to delete duplicate items from OST files for Outlook? If so, you are currently on the right page. Here, we'll go through the simplest and quickest method for removing duplicate entries from an Outlook OST file.

Microsoft Outlook provides two methods for setting up our email accounts: POP3 and IMAP. Outlook will produce PST files for you if your account is configured to use the POP3 protocol. Additionally, you may rapidly remove any duplicate emails, appointments, contacts, tasks, notes, and journals that were discovered in your Outlook PST file.

If your account is configured with an IMAP or exchange server, Outlook will produce an OST file, often known as an offline storage table.

Additionally, if you find any duplicate items in your Outlook inbox, it might be difficult to remove them from an OST file in Outlook.

As a result, in the section that follows, we'll go through the reasons why duplicate items appear in Outlook OST files as well as how to get rid of them.

What Leads to Duplicate Items in Outlook OST Files?

In the screenshot up top, you can see that there is a user-facing issue with duplicate entries in the Outlook OST file.

Therefore, in this part, we'll discuss the reasons why Outlook OST files include duplicate data.

If an IMAP session takes too long to synchronize their inbox because the IMAP interval is set to be too often, their email client will initiate a new IMAP session. Less than 15 minutes, to be exact. As a result, duplicate or maybe triple messages are present in Outlook mailboxes.
Some IMAP clients fail to transmit confirmation after a successful RETR message, which causes the server to keep the same message when the client reconnects. This occurs when your connection is lost or there is network lag.
Unexpectedly, duplicate entries in the Outlook OST file are also caused by client-side antivirus software.

What happens if duplicate items are found in your OST files for Outlook?

Duplicate items in your Outlook inbox may seriously affect the software's productivity and functionality, among other things. Duplicate entries in Outlook OST files must be removed as a result. However, let's first grasp the effects of duplicate things before going on to the removal stages.

Outlook duplicate items reduce mailbox productivity and may result in errors.

The message that is kept on the server is refreshed each time the program is launched. This can result in performance problems.
More duplicate items are present in your Outlook mailbox. This causes the OST file to become huge, which causes OST file corruption. What happens if duplicate items are found in your OST files for Outlook?
Duplicate items in your Outlook inbox may seriously affect the software's productivity and functionality, among other things. Duplicate entries in Outlook OST files must be removed as a result. However, let's first grasp the effects of duplicate things before going on to the removal stages.

How Can Duplicate Items Be Removed From Outlook OST Files?

Microsoft does not offer a built-in tool to delete duplicate entries from an OST file in Outlook. Try an automated method to extract duplicate items from the Outlook OST file in that problematic situation.

Most experts utilize TrustVare Outlook OST Duplicate Remover Tool, a well-known automatic solution. Because most online tools for removing duplicate items from Outlook PST files only delete duplicate things. However, this duplicate removal application also eliminates duplicate elements from OST and BAK files in addition to the PST file.

Delete duplicate entries from an Outlook OST file using these steps:

Install the application first after downloading it.
Launch the program now, and then select Add Files or Add Folder to add the OST file.
Discover duplicates across all files the app will discover duplicates using this option across all mailbox folders.
Find duplicates in chosen folders - This tool enables you to choose the precise folder where duplicates should be removed.
Now choose the location where you want to save the finished product.
Select categories from the option to "Select filter and duplicate criteria" after that.
To customize the duplicate elimination method, choose one or more fields from the Specific duplication criteria option.
Choose the action you wish to take about duplicate items by clicking the Choose action drop-down menu.
Clicking the Next button once all the settings have been made will begin the process of removing duplicate entries from Outlook OST files.

Conclusion

The functionality of Microsoft Outlook might be significantly hampered by even a minor issue. Therefore, it becomes a severe issue when a user receives duplicate emails in an Outlook OST file. Therefore, it is crucial to handle the duplicate email issue in the right manner to keep the continuity of your regular mail activity. As a result, we have covered the best and safest method for deleting duplicate items from Outlook OST files in this article.