You can use folders to organize resources in the Site Explorer. Sort resources by name or type.
Create a project folder that contains the following folders:
Database connection resources, such as ODBC, Oracle, and ArcSDE.
File-based data resources, such as DWG, SHP, and other files.
Layer resources that reference data resources.
Map resources that reference layer resources.
Symbols libraries used to style elements on layers.
Web layouts that reference maps.
To create a folder

. You can also right-click a site name or folder and click
.
The new folder is added to the selected folder or to the top of the tree if the site is selected.
To sort resources

Click Sort to toggle between By Name and By Type sorting methods.