Set the relative path of. mxd In ArcMap

Copy the map document and open it again! Because the relative path of the loaded layer changes, you need to re-specify the layer position. In this regard, the. mxd document is set to a relative path, the specific method is as follows:
(1) file --> document properties --> open the dialog box and click daTa source options... button;
(2) select store relative path names to DATa sources single producer, and check the check box before make relative paths the defalut.
You can perform the preceding two steps.