You will have to open the workbook to write data into it.
But you can do it very fast.
Sub Button1_Click()
Dim dir As String, Fnm As String, Crg As Range
Dim wb As Workbook, Twb As Workbook, Tsh As Worksheet, sh As Worksheet
Set Twb = ThisWorkbook
Set Tsh = Twb.Worksheets("Tracker")
Set Crg = ActiveCell
dir = "C:\Users\Dave\Downloads\" 'change file directory
Fnm = dir & "Master File.xlsx"
Application.ScreenUpdating = 0
With Tsh
Set wb = Workbooks.Open(Fnm)
Set sh = wb.Worksheets("Master")
Crg.EntireRow.Copy sh.Cells(Rows.Count, "A").End(xlUp).Offset(1, 0)
With wb
.Save
.Close
End With
End With
MsgBox "Done" 'delete later
End Sub
See the attached.
Adjust folder locations and file names accordingly.
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