Macro to Merge PDFs from Excel

Macro to Merge PDFs from Excel

Posted to this site, is a macro that will allow you to select a folder and merge all of the PDFs inside. The macro requires that you have Adobe Acrobat installed. I've tested it out and it works quite well. On the line beginning, Const DestFile As String = you can specify what you want the merged file to be named.

In the Tools menu in Visual Basic you need to select References . . . Adobe Acrobat Library, or just Acrobat, before you can run the macro.

After pressing play the macro will prompt you to select a folder. When the newly merged file is created, you'll receive a message.

I have posted the code below, but if you have trouble copying and pasting this into Visual Basic, try the link above. The Wix editor can mess with the formatting of VBA code.

Sub Main() Const DestFile As String = "MergedFile.pdf" ' <-- change to suit Dim MyPath As String, MyFiles As String Dim a() As String, i As Long, f As String ' Choose the folder or just replace that part by: MyPath = Range("E3") With Application.FileDialog(msoFileDialogFolderPicker) '.InitialFileName = "C:\Temp\" .AllowMultiSelect = False If .Show = False Then Exit Sub MyPath = .SelectedItems(1) DoEvents End With ' Populate the array a() by PDF file names If Right(MyPath, 1) <> "\" Then MyPath = MyPath & "\" ReDim a(1 To 2 ^ 14) f = Dir(MyPath & "*.pdf") While Len(f) If StrComp(f, DestFile, vbTextCompare) Then i = i + 1 a(i) = f End If f = Dir() Wend ' Merge PDFs If i Then ReDim Preserve a(1 To i) MyFiles = Join(a, ",") Application.StatusBar = "Merging, please wait ..." Call MergePDFs(MyPath, MyFiles, DestFile) Application.StatusBar = False Else MsgBox "No PDF files found in" & vbLf & MyPath, vbExclamation, "Canceled" End If End Sub Sub MergePDFs(MyPath As String, MyFiles As String, Optional DestFile As String = "MergedFile.pdf") ' ZVI:2013-08-27 ' Reference required: VBE - Tools - References - Acrobat Dim a As Variant, i As Long, n As Long, ni As Long, p As String Dim AcroApp As New Acrobat.AcroApp, PartDocs() As Acrobat.CAcroPDDoc If Right(MyPath, 1) = "\" Then p = MyPath Else p = MyPath & "\" a = Split(MyFiles, ",") ReDim PartDocs(0 To UBound(a)) On Error GoTo exit_ If Len(Dir(p & DestFile)) Then Kill p & DestFile For i = 0 To UBound(a) ' Check PDF file presence If Dir(p & Trim(a(i))) = "" Then MsgBox "File not found" & vbLf & p & a(i), vbExclamation, "Canceled" Exit For End If ' Open PDF document Set PartDocs(i) = CreateObject("AcroExch.PDDoc") PartDocs(i).Open p & Trim(a(i)) If i Then ' Merge PDF to PartDocs(0) document ni = PartDocs(i).GetNumPages() If Not PartDocs(0).InsertPages(n - 1, PartDocs(i), 0, ni, True) Then MsgBox "Cannot insert pages of" & vbLf & p & a(i), vbExclamation, "Canceled" End If ' Calc the number of pages in the merged document n = n + ni ' Release the memory PartDocs(i).Close Set PartDocs(i) = Nothing Else ' Calc the number of pages in PartDocs(0) document n = PartDocs(0).GetNumPages() End If Next If i > UBound(a) Then ' Save the merged document to DestFile If Not PartDocs(0).Save(PDSaveFull, p & DestFile) Then MsgBox "Cannot save the resulting document" & vbLf & p & DestFile, vbExclamation, "Canceled" End If End If exit_: ' Inform about error/success If Err Then MsgBox Err.Description, vbCritical, "Error #" & Err.Number ElseIf i > UBound(a) Then MsgBox "The resulting file is created:" & vbLf & p & DestFile, vbInformation, "Done" End If ' Release the memory If Not PartDocs(0) Is Nothing Then PartDocs(0).Close Set PartDocs(0) = Nothing ' Quit Acrobat application AcroApp.Exit Set AcroApp = Nothing End Sub

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