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This page contains utilities that automate the removal of duplicate appointments.
If the duplicate appointments are the result of importing, you can add the modified date field to the view and sort by it, then delete appointments based on the modified dates. When the cause of the duplicated appointments is PDA synchronization one of the utilities listed below is generally the easiest method to remove duplicates.
If you imported duplicates from the Outlook holiday file, see
To remove duplicate holidays from the Calendar folder in Microsoft Outlook
Many of these tools will remove duplicates from any Microsoft Outlook folder type, however, if you are looking for tools to remove duplicated contacts or mail items, you may want to look at the tools on the following pages as well. Note that some of the duplicate contact tools have the ability to merge duplicated contacts.
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). | |
The Duplicate Appointments Eliminator allows you to either delete all the duplicates or move them to a folder of your choice. Comparisons of two appointments (optionally) based on subject, location, start time, end time, body, categories, recurrences, and required attendees. Works with Exchange public folders or other shared folders and you can choose to operate on a single folder or select many folders at once. Works with Microsoft Outlook 2007, Outlook 2003, Outlook 2002 and Outlook 2000. Enter code WD9BHK53 during checkout. | |
Delete duplicate contacts, notes, tasks, journal and calendar items in Microsoft Outlook folders and Exchange Server folders. Duplicates can be marked, copied or moved to any folder. It supports searching across the folders. Supports all versions of Outlook, including Outlook 2007/2010. Version 2.6 |
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. | |
This add-in allows you to delete duplicated appointments with just one click of a button. | |
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. | |
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. |
More Information
- Microsoft Outlook Calendar Issues
- Synchronize mailbox and Public Folders — includes tools to copy appointments from public to mailbox folders
Other calendar tools are on the following pages:
Calendar Tools for Schedule Management
Calendar Reminder Tools for Microsoft Outlook
Calendar Printing Tools for Outlook
Calendar Dates and Other Data for Outlook
Time and Billing Tools for Outlook Calendar
Meeting Productivity Tools for Outlook
For Group Calendar tools, see Maintaining a Group Calendar in Outlook.
Web Publishing tools: Publishing Microsoft Outlook Calendars on the Internet or an Intranet
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Last reviewed on Jan 17, 2012





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