VBA to change source of links in PowerPoint

I have a PowerPoint file (Office 2007) that has Linked Object on each slide to various excel files.  I need to move the Excel source files to a different folder location.  Currently they sit in "\\serverXY\DataFiles" and I need to move them to "\\serverAQ\DataFiles".

Since I have doesn't of slides, instead of updating these links manual, I'm wondering if there is a way to update all the links programmaticly through VBA?  Here's the other thing.  I don't need to update the WHOLE link, only the portion of the link that starts with "\\serverXY\DataFiles" should be changed to "\\serverAQ\DataFiles".

Any ideas?  Thanks!
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Try this code. It will iterate through all slides in the active presentation, check all the shapes to see if they are linked objects or pictures, and then modify the target. Note that the oldString and newString are case sensitive.
Sub changeLinkTargets()

Dim pptSlide As Slide
Dim pptShape As Shape

Dim oldString As String
oldString = "\\serverXY\DataFiles"
Dim newString As String
newString = "\\serverAQ\DataFiles"

For Each pptSlide In ActivePresentation.Slides
    For Each pptShape In pptSlide.Shapes
        If pptShape.Type = msoLinkedOLEObject Or pptShape.Type = msoLinkedPicture Then
            With pptShape.LinkFormat
                If InStr(1, UCase(.SourceFullName), UCase(oldString)) Then
                    .SourceFullName = Replace(.SourceFullName, oldString, newString)
                End If
            End With
        End If
    Next pptShape
Next pptSlide

End Sub

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KP_SoCalAuthor Commented:
Wow, this looks like it's going to do the trick!  I'll try it out tomorrow morning and post my results.  Thanks!
KP_SoCalAuthor Commented:
Fantastic!  This worked and will save me HOURS of work!!!  Thanks so much!!!!
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KP_SoCalAuthor Commented:
This solution deserves 1000 points!
Glad it worked. Thanks for asking this question, it helped me to learn too!
Heinz SchremCommented:
I find this solution also very helpful and excellent.
Does this VBA solution also work for Powerpoint/Excel 2010?
I do not see anything happening when implementing this code (and changing to my server/folder/... names).
Thanks a lot
Best regards
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