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While you can remove duplicates by hand, these tools make it easier when there are a lot of duplicates.
The following pages are a collection of mail utilities for Microsoft Outlook that don’t fit any of the categories listed under More Information.
There is a separate page for each type of utility and those who don't fit within the four main types of utilities are under Mail Tools for Outlook.
- Sending and Retrieval Tools for Outlook
- Mass Mail Tools for Outlook
- Compose Tools for Outlook
- Mail Tools for Outlook
This page lists duplicate remover tools. Although some of these tools work only with the mail folders, many will work on any Outlook folder that contains duplicates.
Manually Remove Duplicates Outlook 2003 and up | Outlook 2002 and older | Duplicate Remover Tools
Manually Remove Duplicates from Outlook 2003 and up
To remove duplicates, you need to use a single line table view.
In an email folder using the default group view, click on the row of field names and deselect Show in Groups, then turn off the Reading pane or slide it to the right.
For email folders, all standard views use a table view and you just need to turn off grouping and move (or turn off) the reading pane to enable the single line view. In the calendar, choose Events or By Category view, or in Outlook 2010, the List view.
With a single line view:
- Right-click any column heading, then choose Field Chooser.
- In the Field Chooser, switch from the Frequently-used fields list to Date/Time fields, and then drag the Modified date field to the view to add it to the fields displayed.
- Click on the Modified column header to sort by that field.
- You should now see your Outlook items in reverse chronological order.
- Click on the first item you want to delete.
- Use the scroll bar to find the last item with the same modified date.
- Hold down the Shift key as you click on the last one. This selects all the items between the two selections.
- Press Delete to remove them all from the folder.
- Reset the view when finished.
This method works well with imported items or when you re-download messages left on the email server because you'll have one set of items with the same modified date.
To remove duplicate holidays from the Calendar folder in Microsoft Outlook
How to remove duplicate imported items in Outlook (Microsoft KB Article)
Deleted Duplicated Email Video Tutorial
The steps for Outlook 2003 and up are basically the same, except for the menu commands to turn the reading pane off and on. The first half of the video was recorded in Outlook 2010, the second half in Outlook 2007.
To turn the reading pane off and on in Outlook 2010, go to the View ribbon and expand the Reading pane menu.
Next page >> Outlook 2002 and older
Tools in the Spotlight
1-click solution to remove duplicate mails, contacts or calendar items. Merges contacts automatically, has an undo function and a configurable advanced mode. Version 3.03 Now supports Outlook 2010 (both 32 and 64 bit). | |
Topalt Deduper is an easy to use tool for removing duplicated items in Microsoft Outlook. It can detect and remove (delete or move to another folder) duplicated appointments, contacts, e-mails, journals, notes and tasks. | |
Cleans up a single folder by either deleting duplicates or moving them to a separate folder. Duplicate Email Eliminator Across Folders is a version to find duplicates across multiple folders. Enter code WD9BHK53 during checkout. | |
The updated version of ReliefJet Essentials for Outlook adds many new features including support for Quick Text with hotkeys and expandable macros. New utilities added like Add BCC to Messages and Redirect Messages. All utilities can be integrated with Outlook Rules. A command line tool for Outlook professionals and administrators is also provided. More than 70 tools and utilities are now included. |
Tools
Accurate Outlook Duplicate Remover(AODR) can find and remove all duplicate Outlook items automatically. It quickly removes duplicates from Contacts, Calendar, Tasks, Notes and Email folders in one click. You can select any folder for duplicate Removing. It helps you to use your Outlook much more efficiently. Free. | |
Remove unwanted Outlook duplicate records with Anti-Dupe for Microsoft Outlook add-in utility. Anti-Dupe for Outlook scans and deletes duplicate Outlook duplicate appointments, contacts, emails and tasks based on pre-determined criterion set by Anti-Dupe. Trial version available. | |
An Outlook COM add-in for deleting duplicated email messages from your folders. | |
Delete Duplicates for Outlook is a tool for deleting duplicate e-mails for Microsoft Outlook. Works with Outlook 2000/2002/2003/2007. Version 4.8 | |
Finds and removes duplicates, even if the messages appear in different folders. Delete, move, or copy duplicates to any folder. Mark duplicate messages with a flag. Search for duplicates in the same folder, or in different ones. Process duplicates in Public folders on the Exchange Server. | |
Outlook duplicate remover add-in for Microsoft Outlook. Software to find and remove duplicate contacts, emails, calendar items, tasks and notes automatically. Remove Outlook duplicates. Merge Outlook contacts and other items. Compare, assign category, flag and move duplicates to selected folders. Manage duplicates in any Microsoft Outlook folder, including Microsoft Exchange and Public folders. Preview duplicate search results prior to processing. Version 3.30 | |
Outlook Duplicate Remover allows you to find and remove Outlook duplicates in just one click. Search duplicate items and merge Outlook duplicates automatically. Remove Outlook duplicates, such as duplicate Email, duplicate Contacts and Calendar events. It is an automatic software add-in for Microsoft Outlook without any settings to configure. Compatible with latest Outlook 2010 as well as Outlook 2007/2003/2002, Exchange Server and Public Folders. | |
Multifunction utility to send individual messages to a list generated either from a text file or from criteria on the Contacts folder, remove large file attachments, remove duplicate contacts and messages, and perform a few other little chores. | |
Find & remove duplicates with this open-source VBA-Script. Searches for duplicate entries of any type (calendar, contact, e-mail, notes, task, etc.) across folders in Outlook. Suspected duplicates are listed and can be moved to the Deleted Items folder. | |
Free tool for removing duplicate items from Outlook folders. ODIR recognizes duplicates in Contacts; Calendar; Tasks; Notes and Email folders. Using ODIR is very easy: select a folder and click the button Remove Duplicate Items. ODIR scans the selected folder for duplicates and MOVES all duplicates found to a subfolder ODIR_duplicate_items. Version 1.2 | |
Removes duplicate items from Calendar, Tasks, Contacts, Notes, and mail folders. Free. |
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Last reviewed on Mar 26, 2012
GREAT! so simple to just sort on modify date and then delete!
thanks!