Changelists are used to group file transactions together. See Using Changelists.
Note: These options apply to all branches and users, but can be overridden for specific mainline branches. See Overriding server options for specific mainline branches.
1. Choose Tools > Administration > Server Options.
The Server Options dialog box opens.
2. Select Changelists from the Mainline Options category.
3. Select a Changelist Usage option.
4. Clear Retain historical changelist information if you do not want to store changelist data.
Historical data is discarded when a changelist is committed.
5. Click OK to save the changes.