Batch Converting Visio VSD files to VSDX

I use Visio for my network and building layout drawings for simplicity. We have recently upgraded to Visio 2016 from 2007 and along with that there is a new file format, a .vsdx instead of a .vsd. Now I’m not sure of all the behind the scene changes but I do know that when you check a files properties you can reduce the file size by removing unused shapes, remove personal info, and save your old files as the new format. Between these three options the file size will drop 40 – 70% per file. Now when you have hundreds or even thousands of these you can gain a significant amount of file space back along with quicker overall loading and saving times. The problem is this looked to be a manual process.

So I did some searching and of course others have already tried to script this. I found two main articles, one on batch converting the vsd to vsdx and a second on removing the unused objects. I combined the two into a single script and added in the remove personal information option. So now you can do all three with a single script.

This is in VBA so to use this start out by opening a new blank Visio drawing. Hit ALT+F11 to get into Microsoft Visual Basic for Applications. Right click your drawing on the top left (by default Drawing1) and insert a module. Then copy and paste this in:


Sub ConvertToVsdx()
Dim strPath As String
Dim strFile As String
strPath = "C:\Temp2\"
strFile = Dir(strPath & "*.vsd")

Do While strFile <> ""
If Right(strFile, 3) = "vsd" Then
Application.Documents.Open strPath & strFile
Application.ActiveDocument.RemovePersonalInformation = True

' Loop through each master then check across pages to see if it is used
Index = Application.ActiveDocument.Masters.Count
While Index > 0
bMasterUsed = False
Set oMaster = Application.ActiveDocument.Masters.Item(Index)
For Each oPage In Application.ActiveDocument.Pages
For Each oShape In oPage.Shapes
If oMaster.Name = oShape.Name Then
bMasterUsed = True
End If
Next
Next
' if Not used delete it from the document stencil
If bMasterUsed = False Then
oMaster.Delete
End If
Index = Index - 1
Wend

Application.ActiveDocument.SaveAs strPath & strFile & "x"
Application.ActiveDocument.Close
End If
strFile = Dir
Loop
End Sub

Change the strPath to the directory you want to run this on and hit F5 to run. It will open each drawing with a vsd extension in that directory, set the remove personal information tag, remove the unused objects/stencils, then save it as a vsxd.

I haven’t adapted it to do subfolders yet as this is all I really needed but I’m sure there is a way to iterate through directories.

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