Because a direct autofilter is not an option, processing the array in memory should give you the fastest result as it minimises the interaction of VBA with the excel application. I believe the following should make your code significantly faster:
Sub Copy_Data_On_Condition()
Dim dStart As Double: dStart = Timer
Application.Calculation = xlCalculationManual
Application.ScreenUpdating = False
Dim srcData As Variant
Dim sht2Data() As Variant
Dim sht2Rows As Long
Dim sht2CriteriaCol As Long: sht2CriteriaCol = 20 'T
Dim sht3Data() As Variant
Dim sht3Rows As Long
Dim sht3CriteriaCol As Long: sht3CriteriaCol = 21 'U
Dim outputCols As Long
Dim i As Long, j As Long
With Sheet1
srcData = .Range("A3:U" & .Cells(Rows.Count, 1).End(xlUp).Row).Value
End With
outputCols = UBound(srcData, 2)
For i = LBound(srcData) To UBound(srcData)
If srcData(i, sht2CriteriaCol) = "Yes" Then
sht2Rows = sht2Rows + 1
ReDim Preserve sht2Data(1 To outputCols, 1 To sht2Rows)
For j = 1 To outputCols
sht2Data(j, sht2Rows) = srcData(i, j)
Next j
End If
If srcData(i, sht3CriteriaCol) = "Yes" Then
sht3Rows = sht3Rows + 1
ReDim Preserve sht3Data(1 To outputCols, 1 To sht3Rows)
For j = 1 To outputCols
sht3Data(j, sht3Rows) = srcData(i, j)
Next j
End If
Next i
If sht2Rows > 0 Then
Sheet2.Cells(Rows.Count, "A").End(xlUp).Offset(1, 0).Resize(sht2Rows, outputCols).Value = WorksheetFunction.Transpose(sht2Data)
End If
If sht3Rows > 0 Then
Sheet3.Cells(Rows.Count, "A").End(xlUp).Offset(1, 0).Resize(sht3Rows, outputCols).Value = WorksheetFunction.Transpose(sht3Data)
End If
Application.Calculation = xlCalculationAutomatic
Application.ScreenUpdating = True
MsgBox "Time taken: " & Format(Timer - dStart, "0.000s")
End Sub
Another fast option is to add a dummy sheet (if possible), use autofilter then delete the dummy worksheet. This is very fast and the code is very simple:
Sub Copy_Data_On_Condition2()
Dim dStart As Double: dStart = Timer
Application.Calculation = xlCalculationManual
Application.ScreenUpdating = False
Application.DisplayAlerts = False
Sheet1.Copy After:=Sheet1
With ActiveSheet
With .Range("A3:U" & .Cells(Rows.Count, 1).End(xlUp).Row)
.Rows(1).Offset(-1, 0).AutoFilter Field:=20, Criteria1:="Yes"
.Copy Destination:=Sheet2.Range("A" & Rows.Count).End(xlUp).Offset(1, 0)
.Rows(1).Offset(-1, 0).AutoFilter Field:=20
.Rows(1).Offset(-1, 0).AutoFilter Field:=21, Criteria1:="Yes"
.Copy Destination:=Sheet3.Range("A" & Rows.Count).End(xlUp).Offset(1, 0)
.AutoFilter
End With
.Delete
End With
Application.DisplayAlerts = True
Application.Calculation = xlCalculationAutomatic
Application.ScreenUpdating = True
MsgBox Format(Timer - dStart, "0.000")
End Sub
Edit: (following comment and file share)
Your worksheet is protected but without password. Therefore, you can actually do autfilter in place without having to add a new dummy sheet. Your autfilter becomes:
Sub Copy_Data_On_Condition2()
Dim dStart As Double: dStart = Timer
Application.Calculation = xlCalculationManual
Application.ScreenUpdating = False
Application.DisplayAlerts = False
' Check first if there's autfilter
If Sheet1.AutoFilterMode Then Sheet1.AutoFilter.ShowAllData
With Sheet2
If .AutoFilterMode Then .AutoFilter.ShowAllData
.Rows("4:" & .Rows.Count).ClearContents
End With
With Sheet3
If .AutoFilterMode Then .AutoFilter.ShowAllData
.Rows("4:" & .Rows.Count).ClearContents
End With
'=========== Super Symmetry Code _ Auto Filter
With Sheet1
.Unprotect
With .Range("A3:U" & .Cells(Rows.Count, 1).End(xlUp).Row)
.Rows(1).Offset(-1, 0).AutoFilter Field:=20, Criteria1:="Yes"
.Copy Destination:=Sheet2.Range("A" & Rows.Count).End(xlUp).Offset(1, 0)
.Rows(1).Offset(-1, 0).AutoFilter Field:=20
.Rows(1).Offset(-1, 0).AutoFilter Field:=21, Criteria1:="Yes"
.Copy Destination:=Sheet3.Range("A" & Rows.Count).End(xlUp).Offset(1, 0)
End With
.Protect
End With
Application.DisplayAlerts = True
Application.Calculation = xlCalculationAutomatic
Application.ScreenUpdating = True
MsgBox Format(Timer - dStart, "0.000")
End Sub
Autofilter is your best friend here if and when your data grows.