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Method 4: Set the timing of Inbox Update frequency Now, a pop up of select folder is opened, choose deleted items and then click on the OK button.Click on the Settings button and then Outlook options to add PST file From the drop-down menu, select Clean Up Folders & Subfolders option.Check “Import items into the same folder” option and then press the Finish button Select the required folder and then check Include Subfolders folder.pst file and check “Do not import duplicate” option and then click on the Next button
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Click on the Browse button and select.Now choose Outlook Data File(.pst) and then press the Next button.Now, select Import from another program or file option and then click on the Next button.Go to the File menu and then click on Open & Export.Search for the duplicate account of the one configured in your Outlook.Again, click on the Account Settings and in the newly opened window, press the email tab.Go to the File menu and then click on Info button.Methods to Remove all Duplicates Email from Mail Folder in Outlook 2016, 20 Method 1: Checking duplicate account If your Inbox Update frequency is set to a very short time interval then duplication of emails will appear.If it’s one of the settings “Leave Messages on the servers” is turned on then there can be an onset of duplicate emails Outlook’s “Account Setting” can cause duplicate emails.Rules are configured incorrectly leading to duplication of emails.
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