How to stop duplicate mail in outlook 2007

The frustration of duplicate emails in Outlook! Here are some steps to help you stop or reduce duplicate emails in Outlook 2007:

Method 1: Disable Duplicate Detection

1. Go to Tools > Options > Preferences > E-mail Options.
2. Uncheck the box next to Detect duplicate messages.

Method 2: Use the "Mark as Read" Rule

1. Go to Tools > Rules and Alerts.
2. Click New Rule.
3. Select Start from a blank rule.
4. Choose Move messages from someone to a folder.
5. Set the condition to Mark as Read.
6. Apply the rule to all incoming emails.

Method 3: Use the "Delete" Rule

1. Go to Tools > Rules and Alerts.
2. Click New Rule.
3. Select Start from a blank rule.
4. Choose Move messages from someone to a folder.
5. Set the condition to Delete.
6. Apply the rule to all incoming emails.

Method 4: Use a Third-Party Add-in

There are several third-party add-ins available that can help you detect and delete duplicate emails in Outlook 2007. Some popular options include:

• Duplicate Email Remover
• Duplicate Killer
• Outlook Duplicate Remover

Method 5: Use a Script

You can also use a script to detect and delete duplicate emails in Outlook 2007. Here's an example VBA script you can use:

1. Open the Visual Basic Editor by pressing Alt + F11.

2. Create a new module by clicking Insert > Module.

3. Paste the following code:

   Sub DeleteDuplicates()
    Dim olApp As New Outlook.Application
    Dim olNamespace As Outlook.Namespace
    Dim olFolder As MAPIFolder
    Dim olItems As Items
    Dim olItem As Object
    Dim strSubject As String
    Dim intCount As Integer
   
    Set olNamespace = olApp.GetNamespace("MAPI")
    Set olFolder = olNamespace.GetDefaultFolder(olFolderInbox)
    Set olItems = olFolder.Items
   
    For Each olItem In olItems
        strSubject = olItem.Subject
        intCount = 1
        For Each olItem2 In olItems
            If olItem2.Subject = strSubject And olItem2.EntryID <> olItem.EntryID Then
                intCount = intCount + 1
            End If
        Next olItem2
        If intCount > 1 Then
            olItem.Delete
        End If
    Next olItem
   End Sub

4. Save the module by clicking File > Save.

5. Run the script by clicking Run > DeleteDuplicates.

Remember to test these methods in a non-production environment before applying them to your live Outlook account.