How to remove duplicate attachments in Outlook messages?

Generally, you may receive some emails with duplicate attachments in Outlook which will occupy the memory. This article introduces two ways to remove the duplicate attachments in Outlook.

Remove duplicate attachments manually

Remove duplicate attachments by Kutools for Outlook

Remove duplicate attachments manually

In Outlook, there is no built-in function that can find the duplicate attachments and remove them, you only can remove the duplicate attachments one by one.

Right click at the attachment you want to remove, and select Remove Attachment from the context menu.
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And click Remove Attachment in the popping out reconfirming dialog.
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Remove duplicate attachments by Kutools for Outlook

Actually, you can remove the duplicate attachments by searching the duplicate emails which contain the same subjects, bodies and attachments, then remove the duplicate emails. But how can remove the duplicate emails as quickly as possible in Outlook? Kutools for Outloo’s Duplicate Emails can do you a nice favor.

Kutools for Outlook , Includes powerful features and tools for Microsoft Outlook 2016, 2013, 2010 and Office 365.
Go to Download Free Trial 60 days

Free install Kutools for Outlook, and then do as below steps:

1. Click Kutools > Delete Duplicate > Duplicate Emails.
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2. In the step 1 of the wizard, choose the account you want to find duplicate emails. Click Next step: specify mail folder.
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2. In the step 2 of the wizard, choose the folders you use. Click Next: Select fileds to filter duplicate emails.
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3. In the step 3, choose the criterion that you want to filter duplicate emails based on, click Next: Select the fileds to be listed in results.
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4. In step 4, choose the fields that to be list in the filtering result. Click Starting filtering..
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5. Then all duplicate emails based on the filtering criterion have been list, you can choose to delete or merge or other opertions to deal with the duplicate emails in the drop down list of Ways to handle duplicate emails. Then click Appy now.
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