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Automatic Outlook Duplicate Remover 1.0.523

Delete duplicate Outlook emails, contacts, calendar items, more

Operating Systems:
Windows 7 (32 bit), Windows 7 (64 bit), Windows 8, Windows Vista, Windows XP
Automatic Outlook Duplicate Remover
Software Cost:
System & Desktop Tools
Date Updated:
19 December 2014
Downloads To Date:
Download Size:
12.60 MB

Automatic Outlook Duplicate Remover is a free stand-alone tool which detects and removes duplicates from your Outlook (2003-2013) email folders, contacts, calendar, notes and tasks.

The program must be installed, for some reason: it's very simple and could probably be made portable without difficulty. But it doesn't include any adware and will have minimal impact on your PC.

On launch you're presented with a tree representing your Outlook data. Check one or two folders - "Contacts", "Inbox" - and the program will scan just those, or click "Outlook Data File" to check them all.

Clicking Settings allows you to define how duplicates will be detected. By default emails are assumed to be duplicates if their body and subject lines are the same, for instance, but you can also use the Sender Name, To, Cc, Bcc and Attachments fields, as well as the UnRead status.

Click Search and Automatic Outlook Duplicate Remover leaps into action, working its way through your data according to the rules you've defined. This might take a while, but the program displays some details on duplicates as they're discovered.

Once the scan is complete, its results are displayed in the Found Duplicates tab. This is another tree, where every folder represents an item - like an email - and every duplicate is listed within it. From what we can see, the oldest items are preselected for deletion, but you can review every one individually and choose exactly what you'd like to keep.

When you're happy, click Remove and any duplicates are deleted. This can take quite some time, too, but the good news is they're sent to the Deleted folder, and so easy to recover if there's a problem later.


Automatic Outlook Duplicate Remover is a simple and straightforward way to clean up your Inbox. And your Calendar, People and Tasks.

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