Why Is Outlook Downloading All My Emails Again

Last reviewed on May ii, 2017   116 Comments

Applies to: Outlook 2016 (Win), Outlook 2013, Outlook 2010, Outlook 2007

Outlook 2016 with a February 2016 update installed is downloading multiple messages. The recommendation is to revert to the previous build. See Outlook 2016 POP Business relationship Problems for more information and instructions. (This is fixed in the March 2016 update.

Outlook users mutter when Outlook downloads duplicate messages when they re-use Outlook data files. This is expected beliefs when you use an old pst and leave postal service on the server.

I moved my pst files to a new computer and gear up upward Outlook to use the old pst files. When I try the first transport/receive, Outlook downloads all of the emails off of the server even though I already have copies in the inbox. How do I get it to terminate downloading the copies of the electronic mail? If I can't, how exercise I sort the email for the newly downloaded identical copies and delete them?

Indistinguishable remover utilities are bachelor at Indistinguishable Remover Tools

You can't avoid Outlook downloading duplicates when y'all get out mail service on the server. The "Mailbox Manager" file Outlook uses to proceed track of messages that were downloaded is associated with the account that created it and downloaded the mail. When you create a new business relationship, Outlook has to re-download all of the mail again.

There are ways to deal with this issue though:
ane: Because POP3 only downloads mail that is in the Inbox, you can movement the mail from the Inbox to another folder in your account online (log in using webmail) before taking Outlook online.

2: Let Outlook download the mail then add the Modified appointment field to the view, sort past it and delete all of the mail you lot just downloaded (that was previously downloaded.)

To delete the mail after it is downloaded, add together the Modified date field to the view and delete the indistinguishable messages. (If yous are leaving mail on the server intentionally, you may want to alter the option to delete mail service from the server when it's deleted from Outlook. Look in Account Settings, More Settings, Advanced tab.)

1. Close the Reading pane
2. Right click on the row of field names and choose Field Chooser
3. Select Date/Time fields from the drop down
4. Elevate Modified to the row of field names and drop it betwixt two fields.
5. Click on Modified to sort.
6. Select the offset message you downloaded in the session
7. Roll to the last (or terminal non-duplicate), hold Shift as you select the message
8. Printing Delete.

If you lot have an ongoing issue with duplicate postal service, y'all can employ a rule to movement older postal service to another binder or delete it as it arrives. This method is unremarkably improve if you are creating a new profile or needed to remove the account and add it back to Outlook, simply you demand to set information technology upward before you brainstorm downloading mail.

1. Prepare Outlook to Piece of work Offline (Send/Receive tab)
2. If you want to leave the old mail on the server, alter the selection to delete mail service from the server when it's deleted from Outlook. Go to File, Business relationship Settings, double click on the email business relationship, click More than Settings, Advanced tab.
3. Open Rules, Manage Rules & Alerts dialog.
4. Create a New Rule
5. Choose Utilize rule on messages I receive then click Next.
6. Choose received in a specific date span
7. Click the underlined words and tick Before: [date]. Cull yesterday's engagement if you lot haven't downloaded mail all the same today. Click Ok and so Adjacent.
   
8. On the actions page, select either motility to the specified folder then select the folder or permanently delete it. Click Next.
9. Create any exceptions and click Next then Finish the rule.
10. On the Send/Receive tab, click the Work Offline button to get dorsum online and let Outlook download mail.
11. If you moved mail to a binder, review it so permanently delete information technology earlier irresolute Outlook's settings for handling deleted mail service in File, Account Settings, double click on the e-mail account, click More than Settings, Advanced tab.

3: Turn off any rules you lot use and move the contents of the Inbox to a temporary folder. Download mail and delete the old mail from the Inbox. If you utilize Outlook 2007 and upwardly, you don't need to move your post out of the Inbox; you tin cull a dissimilar folder every bit the delivery location in Account Settings, select account > Change folder then create a new folder and set it as the default delivery location.

four: You could use "Duplicate Remover Tools" to remove the duplicated letters. But honestly, that's not necessary in most cases.

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Source: https://www.slipstick.com/general/outlook-downloads-duplicate-emails-from-pop3-account/