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.
More Information | Remove Duplicate Contacts | Remove Duplicate Messages
Tools in the Spotlight
Outlook Duplicate Killer is an add-in for Microsoft Outlook. Find, merge and remove Outlook duplicates. Compare, assign the category, flag and move duplicates to selected folders. Find and remove duplicate contacts, emails, calendar events, tasks and notes automatically. Manage duplicates in any Microsoft Outlook folder, including Microsoft Exchange and Public folders. Preview duplicate search results prior to processing. New Duplicate Killer has improved user interface. Now account name and folder path are display. |
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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. |
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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 |
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ReliefJet Essentials is a set of 166 utilities for Outlook, Office 365 and Exchange Server. It can backup, import, export and convert data into different formats. Perform personalized mass mailings. Save, remove and optimize attachments. Find and remove duplicate messages, contacts, appointments, meetings, and other items. Retrieve statistics on email usage and get reports on Outlook data and settings. You can run the utilities directly from Outlook, automatically in rules, via standalone app, or from the command line. |
Tools
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
Hi Dianne
We need an Exchange dedup tool that will run across up to 50 accounts - does your tool do that?
Also does it delete if 2 or more appointments exist with the same start time, end time and subject? If so how does it know which one to keep?
Thanks
MBS
I know many of the dedup tools are available with corporate licenses, but they are outlook addins and are installed on each computer.
They will remove two identical appointments - most let you select fields to check, but checking date/time and subject would be the default, you could include Notes field. I'm not sure which one gets deleted, the newest or oldest - but if they are identical, it won't matter. :) Some of the tools, like ReliefJet, can categorize the ones it identifies as duplicates, which makes it easier to spot check.
Hi Dianne
We need an Exchnage dedup tool that will run across up to 50 accounts - does your tool do that?
Also does it delete if 2 or more appointments exist with the same start time, end time and subject? If so how does it know which one to keep?
BTW - there is a powershell script in technet but i don't know if it works on all items, including appointments or only on all mail - the notes say all folders.
https://gallery.technet.microsoft.com/office/Removing-Duplicate-Items-f706e1cc/