This macro will delete all blank rows from a sheet.

Sub Delete_Blank_Rows()
    Dim Ws As Worksheet
    Dim Path As String, Name As String
    Dim Answer, Arr, Extension
    Dim LastRow As Long, i As Long
    
    On Error GoTo ExitSub
    Set Ws = ActiveSheet
    
    Application.ScreenUpdating = False
    Application.DisplayAlerts = False

    'If you need to create a backup copy of the workbook before deletion
    Answer = MsgBox("Do you want to create a backup of this file", vbQuestion + vbYesNoCancel, "Backup the file?")
    
    If Answer = vbCancel Then GoTo ExitSub
    
    If Answer = vbYes Then
        'Save a copy of the workbook appended with timestamp
        Path = ActiveWorkbook.FullName
        Arr = Split(Path, ".")
        Name = Arr(UBound(Arr) - 1)
        Extension = Arr(UBound(Arr))
        Name = Name & "_" & Format(Now(), "mmddyyhhmmss")
        Arr(UBound(Arr) - 1) = Name
        Name = Join(Arr, ".")
        ActiveWorkbook.SaveCopyAs Name
    End If
    
    'Get the last used row of the worksheet
    LastRow = Ws.Cells.SpecialCells(xlLastCell).Row
    
    'We need to loop from this last row to first row and delete if cell is blank
    For i = LastRow To 1 Step -1
        If WorksheetFunction.CountA(Ws.Rows(i)) = 0 Then
            Ws.Rows(i).Delete
        End If
    Next i
ExitSub:
    Application.ScreenUpdating = True
    Application.DisplayAlerts = True
    
End Sub