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Remove Duplicate Oulook Items

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All Forums » Discussions About Free Outlook Add-Ins & Utilities » Remove Duplicate Oulook Items
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Remove Duplicate Oulook Items

It creates Duplicates folder under the Deleted Items folder. Make sure that you can see all folder types by selecting the 'Folders' view in the Outlook.

I get an error on almost every folder I try to remove duplicates on:
"System: Failed to move items"

Same kind of logs every time:
22.03.2020 20:02:09 [27696][25864]: RJStorageInfo::LoadSharedFolder::0x8004010f Get Common Views
22.03.2020 20:02:15 [27696][21436]: RJItemBase::TryDeleteItemInternal::0x80040201 MoveMessages. Unknown MAPI Error. (MAPI Component 0x00000000) 
22.03.2020 20:02:15 [27696][21436]: RJItemBase::TryDeleteItemInternal::0x80040201 CopyMessages. Unknown MAPI Error. (MAPI Component 0x00000000) 
22.03.2020 20:02:15 [27696][21436]: RJItemBase::DeleteItemInternal::0xc000232c DeleteItemInternal
22.03.2020 20:02:15 [27696][21436]: RJItemBase::SaveChanges::0xc000232c DeleteItemInternal
22.03.2020 20:02:15 [27696][21436]: RJItemBase::SaveChanges::0x8000ffff DeleteItemInternal
22.03.2020 20:02:15 [27696][21436]: RJItemBase::SaveChanges::0x8000ffff DeleteItemInternal

Same whether I use addin or external app.

Please help!
George Rutter,

Please contact our support at .
Specify what account and store type do you use.
Following are some different ways to Remove Duplicate Outlook Items

Configure the rules correctly
Check whether the Outlook rules are configured correctly or not. If rules are not set appropriately, it will create confusion among different email folders. Configure the rules correctly.

Set the inbox updates frequency
You need to increase the inbox update frequency. Start Outlook and then go to Send and Receive. Now select Define Send or Receive Groups. Now set the value within 15-30 minutes.

Outlook has numbers of utilities and add-ins, which can help you to clean-up the duplicate emails easily. Perform the below steps to clean up your mailbox:

Start Outlook.
Select a mailbox folder.
Select Home > Cleanup. Now, configure the below options:
Clean up Conversation will delete and move the duplicate emails that are in the conversation.
Clean Up Folder will remove the duplicate emails from any particular folder
Clean Up Folders and Subfolders will clean up the duplicate folders and subfolders
Right-click the Deleted Items folder and click Empty Folder that will permanently delete the emails.

I hope this information will be helpful to remove duplicate items in Outlook!
Lewis Bert
Outlook Freeware,

After rebuilding the main contact folder (deleting all contacts and then adding the new ones programmaticall­y from an Access-applicat­ion), all the contacts show up with several duplicates on the mobile phone.

Any idea how to solve this? The "merge" option on the mobile phone says that there are no duplicates.
Bert Gorlee,

Can you see the duplicates on the PC?
Do they have the same email addresses shown?
With all due respect for this effort - we have very different definitions of "Freeware" when the Duplicate Email remover I just tried to use is limited to removing 10 duplicates unless you buy the "Advanced Version".
That is not, in my opinion, Freeware.
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All Forums » Discussions About Free Outlook Add-Ins & Utilities » Remove Duplicate Oulook Items
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