Home»Support»1-Click Duplicate Delete for Outlook»Help + FAQWebsite updated: Nov 30, 2016
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Thank you for choosing 1-Click Duplicate Delete for Outlook. You can remove your duplicates with 3 simple steps:



1. Run2. Install3. Start
In your browser click on 'Run'.Confirm the installation.Click on the '1-click...' button. Done.
(Options for pros can be found in the 'More'-menu.)



(Problems? We like to help.)

FAQ - Typical questions

How do I remove duplicates from a folder?
In Outlook go to the folder with the duplicates and click on the button "1-Click Duplicate Delete for Outlook". Done.

How do I remove duplicates from folder and its subfolders?
In Outlook go to the folder with the duplicates and click on the button "More" (next "1-Click Duplicate Delete for Outlook"). A wizard will guide you.

How do I remove duplicates from the entire PST-File?
In Outlook go to the topmost folder in the folder tree ("Outlook Today") and click on the button "1-Click Duplicate Delete for Outlook". Done.

Can I remove the duplicates in multiple PST files?
If you have multiple PST files, you can remove the duplicates in each of them separetely. But it's currently not possible to check several of them at once.

What are the limitations of the demo version?
The demo version allows you to scan an unlimited amount of data and then remove 3x up to 20 duplicates thereof.

Is Outlook 2016 supported?
Yes. The Outlook versions 2016 (32+64 bit), 2013 (32+64 bit), 2010 (32+64 bit), 2007, 2003, XP, 2002, 2000 are supported.

Can 1CDDO recognize duplicates in the Business Contact Manager?
Sorry, no, because BCM doesn't store the data in Outlook.

The Outlook toolbar doesn't appear!
Please use the "Repair" function of the "Helper program" (Start > Programs > 1-Click...).

If that doesn't help and the add-in is registered+active, but the "Add-in" tab still doesn't appear, please check:
File > Options > Customize ribbon > Enable the entry "Add-Ins" on the right

Why aren't my duplicates recognized?
If the software doesn't recognize them, then it's virtually 100% safe to say that they aren't duplicates. They are only similar. But you can delete them nevertheless. For the right settings, just contact us, we're here to help (or use this detailed how-to).

How are contacts merged?
First, contacts are broken down into their individual pieces of information. Identical pieces remain, missing ones are copied. If the pieces contradict each other, then the newer one is kept and the older one as appended in brackets behind it. This way nothing gets lost.

How can I move the toolbar icons? [Only Outlook 2007 or lower]
You can easily move the icons into the Outlook main toolbar. Here's how.

See also

 · General questions on purchase, download, registration and upgrade.
 · Purchase questions

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