Open Rules, Manage Rules & Alerts dialog.Go to File, Account Settings, double click on the email account, click More Settings, Advanced tab. If you want to leave the old mail on the server, change the option to delete mail from the server when it's deleted from Outlook.Set Outlook to Work Offline ( Send/Receive tab).This method is usually better if you are creating a new profile or needed to remove the account and add it back to Outlook, but you need to set it up before you begin downloading mail. If you have an ongoing issue with duplicate mail, you can use a rule to move older mail to another folder or delete it as it arrives. Scroll to the last (or last non-duplicate), hold Shift as you select the message.

Select the first message you downloaded in the session.

Drag Modified to the row of field names and drop it between two fields.

Select Date/Time fields from the drop down.

Right click on the row of field names and choose Field Chooser.

Look in Account Settings, More Settings, Advanced tab.)

(If you are leaving mail on the server intentionally, you may want to change the option to delete mail from the server when it's deleted from Outlook. To delete the mail after it is downloaded, add the Modified date field to the view and delete the duplicate messages. There are ways to deal with this issue though:ġ: Because POP3 only downloads mail that is in the Inbox, you can move the mail from the Inbox to another folder in your account online (log in using webmail) before taking Outlook online.Ģ: Let Outlook download the mail then add the Modified date field to the view, sort by it and delete all of the mail you just downloaded (that was previously downloaded.) When you create a new account, Outlook has to re-download all of the mail again. The 'Mailbox Manager' file Outlook uses to keep track of messages that were downloaded is associated with the account that created it and downloaded the mail. You can't avoid Outlook downloading duplicates when you leave mail on the server. How do I get it to stop downloading the copies of the email? If I can't, how do I sort the email for the newly downloaded identical copies and delete them?ĭuplicate remover utilities are available at Duplicate Remover Tools When I try the first send/receive, Outlook downloads all of the emails off of the server even though I already have copies in the inbox. I moved my pst files to a new computer and set up Outlook to use the old pst files.

Duplicate emails in outlook 2016 on mac