How to remove or delete subject prefixes in Outlook?

While you are replying or forwarding a letter, there are prefixes such as Re or FW in the front of the Subject as below screenshot shown in default. But sometimes, you want to remove these prefixes away, how can you solve it in Outlook?

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Remove subject prefixes with VBA

Remove subject prefixes with VBA

To remove subject prefixes away, you just can handle it manually except running a VBA code in Outlook.

1. Press Alt + F11 keys to enable the Microsoft Visual Basic for Applications window.

2. In the popping dialog, double click at the ThisOutlookSession in Project-Project1 pane and copy and paste below code into the blank script.

VBA:Remove subject prefixes

Sub Application_ItemSend(ByVal Item As Object, Cancel As Boolean)
'UpdatebyExtendoffice20180326
    RemoveREOrFW Item, "RE"
    RemoveREOrFW Item, "FW"
End Sub
Function RemoveREOrFW(Item As Object, Str As String)
Dim xSubject As String
If InStr(Item.Subject, Str) > 0 Then
    xSubject = Replace(Item.Subject, Str & ":", "", vbTextCompare)
    Item.Subject = Trim(xSubject)
    Item.Save
End If
End Function

3. Save the code and go back to reply or forward an email, the prefixes are still in the subject, but it will be removed after sending the email.

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