To refer to a range in a different workbook

 
Sub bookRange()
    Workbooks("Budget.xlsx").Worksheets("Sheet1").range ("A1:C5 ")
End Sub

1.	Reference a range by name
2.	Refer to a range outside the active sheet by qualifying the range reference with a worksheet name from the active workbook
3.	Refer to an entire row
4.	Refer to an entire column
5.	Noncontiguous ranges
6.	Select a range A1:A3
7.	Activate the Range
8.	Use disgonal cells to select a range
9.	Use ActiveCell.End to select a range
10.	Use the cell reference directly
11.	Select a range by using the ActiveCell
12.	Refer to the B2 cell in DataInput, while another workbook is active
13.	Select Last Cell
14.	The Offset method can also use negative arguments. A negative row offset refers to a row above the range. A negative column offset refers to a column to the left of the range.
15.	Use 0 as one or both of the arguments for Offset: expression refers to cell A1
16.	returns a range object that represents the last non-empty cell in the same row
17.	Using the End Property to Navigate within a Worksheet
18.	Using the Range Property to Refer to Groups of Cells
19.	Specifying Individual Cells with the Cells Property

To refer to a range in a different workbook : Range Reference « Excel « VBA / Excel / Access / Word