No More Dupes uses a special algorithm to detect the Outlook duplicates.
This Outlook-Add-In works with all versions of Outlook, including Outlook 2010/2013 64bit.
You can remove the duplicates one of two ways: delete all events in the Holiday category then re-add the holidays you want added or use the Created date field to sort by date added an delete the duplicates, which added at the same time.
You can use the Sort by Created date method to remove any duplicated calendar items.
Many utilities provide macro picker making it easier to use the power of macros.
New utility "Export Outlook MSG to PST" converts Outlook messages, contacts, appointments, meetings, tasks and other Outlook items from MSG to PST data files.
It shows the found duplicates in a preview for the user to decide which duplicates to remove.
You can move the duplicated Outlook items to your "Deleted Items" or to any other folder you specify.
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.
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.
Its free trial version can remove 10 items from each folder and expires after 30 days of download.
No More Dupes detects and removes all duplicated Outlook items both in an Outlook pst file, a public folder or in an Exchange account.